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Transactions
Volume USD
Unique wallets
Composable DeFi building blocks designed to work seamlessly together.
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Track key trading and revenue metrics with in-depth charts and data from onchain trades.
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Quickly review API usage and spot spikes in errors.
Create new apps in minutes and manage them all from your dashboard.
Gain actionable insights into user trading behavior in real-time.
Add new products to each one of your apps with just one-click.
Instantly generate and manage API keys directly from the dashboard.
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Build your app in days, not months
with seamless app integration.
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Best-in-class liquidity aggregation and smart order routing. Try it live on Matcha.
Fastest way to tap into 130+ exchanges.
Secure and audited DEX infrastructure with 99.82% uptime.
Get started in less than five minutes! To get started, simply create an account on the 0x Dashboard, choose a plan, set up your app, and generate your API keys.
0x offers two options for monetizing your order flow so you can build a sustainable Web3 business. You can set a percentage fee and a fee recipient on trades initiated within your application via Swap API requests. Additionally, you may take the positive slippage generated from your swaps. You can find details on both approaches in our API references.
0x supports Ethereum, Base, Arbitrum, Optimism, Polygon, Binance Smart Chain, Avalanche, Scroll, Linea and Blast.
We offer two transparent, flexible tiers for Web3 businesses of all sizes. You can get started with them here. If you are a high volume app or have a unique business model, please contact us to discuss a custom plan.
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Aave is the world’s largest liquidity protocol. Supply, borrow, swap, stake and more.
$ billion of liquidity currently supplied in Aave.
Earn interest and borrow assets.
Aave is one of the largest DeFi protocols with billions of dollars in weekly volume across Ethereum and 12+ networks.
Net deposits supplied across 13 networks.
Volume, past 30 days.
Average stablecoin supply APY Ethereum network, past year.
Average stablecoin borrow APR Ethereum network, past year.
Swap any ERC-20, even those borrowed or supplied.
Earn rewards for securing the protocol.
Easily track the risk level of your borrow positions.
Deployable on any EVM compatible network.
Users maintain control over their own funds throughout the supplying and borrowing process.
The Aave Protocol is open source and transactions are visible to anyone.
AAVE token holders decide which assets are listed and steer protocol development.
Integrating Aave's liquidity pools and interest rate mechanisms enables the creation of diverse products and applications.
GHO is the only decentralised, overcollateralised stablecoin native to the Aave Protocol.
Learn More%
Collateralisation30 Day Avg
+
GHO Minted1 Yr
Join Aave’s growing constellation of builders.
Aave Protocol has been trusted by leading institutions and companies.
AAVE token holders guide the Aave Protocol via procedures, voting, and smart contract execution.
Go to the ForumPeace of mind by design.
Peace of mind supported by multiple audits by the world’s leading security firms.
Learn MoreSecurity is a top priority. Report vulnerabilities or bugs responsibly and get rewarded.
Learn MoreThe Aave Protocol is secured with a backstop against protocol insolvency.
Learn MoreAave is leading the DeFi Renaissance, committed to it’s mission of bringing global finance onchain.
Learn MoreAave is a decentralised non-custodial liquidity protocol where users can participate as suppliers or borrowers. Suppliers provide liquidity to the market while earning interest, and borrowers can access liquidity by providing collateral that exceeds the borrowed amount.
Supplied tokens are stored in publicly accessible smart contracts that enable overcollateralised borrowing according to governance-approved parameters. The Aave Protocol smart contracts have been audited and formally verified by third parties.
No protocol can be considered entirely risk free, but extensive steps have been taken to minimize these risks as much as possible -- the Aave Protocol code is publicly available and auditable by anyone, and has been audited by multiple smart contract auditors. Any code changes must be executed through the onchain governance processes. Additionally, there is an ongoing bug bounty campaign and service providers specializing in technical reviews and risk mitigation.
AAVE is used as the centre of gravity of Aave Protocol governance. AAVE is used to vote and decide on the outcome of Aave Improvement Proposals (AIPs). Apart from this, AAVE can be staked within the protocol Safety Module to provide a backstop in the case of a shortfall event, and earn incentives for doing so.
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Donât miss out because it took too long to deploy on Mainnet. Take advantage of the low-code tooling and configurability that makes it easy to launch your Web3 innovation in less than 60 seconds.
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Users hate waiting. Scaling at the cost of performance or security is not an option. Avalancheâs novel architecture allows for a universe of independent, but interconnected, blockchains that are all validated and kept secure by dynamic subsets of validators.
Over the last year, tens of thousands of people came together at Avalanche events worldwide. As one of the industryâs most diverse and supportive communities, Avalanche boasts members from all walks of life, with over 18 languages supported across the 1M+ strong online community.
When it comes to the energy required to run, no other blockchain comes close. According to the Crypto Carbon Ratings Institute, Avalanche consumes the same energy as only 46 US households each year.
Crypto and DeFi are hard to use and the $330 billion digital advertising industry is failing users, publishers and advertisers. With Basic Attention Token and Brave we want to take Crypto to the next 1B users and solve the endemic inefficiencies and privacy violations hobbling the digital ad industry.
BAT has seen stunning results since being integrated into the Brave browserâs first-of-its-kind global private ad platform: tens of millions of users worldwide; millions of verified creators accepting BAT; thousands of ad campaigns with leading brands; and growing utility with the most innovative names in blockchain. These results make BAT one of the most successful alt-coin projects to date. BAT is now bridged across the Ethereum and Solana blockchains, and offers utility to both ecosystems. +See transparency data
The foundation for mass adoption of crypto and DeFi
DeFi and NFT support
Buy crypto with credit and debit cards, crypto assets, and more
Manage fiat and crypto payment options on desktop and mobile
DeFi for everyone
Multi-chain support and the best price with the lowest fees
Hold BAT and save. Receive discounts when using BAT for transaction fees.
BAT utility for search engines
Utilize BAT with eCommerce
Rewards for IPNS verified content
Utilize BAT for content pinning and file sharing with IPFS
Users earn for their attentionUsers maintain privacy as they earn BAT for viewing ads.
Sign up for Brave Rewards
Creators get paid for making great contentPublishers and creators earn ad revenue and user contributions as well as tips.
Join Verified Creator Network
Advertisers get a better returnBraveâs anonymous accounting lets advertisers know their adsâ effectiveness without violating privacy.
Learn More
+400
Since launch we continue to work with some of the industry's biggest brands.
Close to 1,000,000 participants accept BAT, including some of the biggest Internet and crypto companies.
Founder & CEO
Creator of JavaScript, Mozilla, Firefox...
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Founder & CTO
+
Chief Information Security Officer
The Zcash Company, Mojo Nation, DigiCash...
+
Facebook, Google...
+ Bitcoin.org is a community funded project, donations are appreciated and used to improve the website. +
+ +Bitcoin is an innovative payment network and a new kind of money.
+ + +
+ Individuals
+Learn more
+
+ Businesses
+Learn more
+
+ Developers
+Learn more
+
+
+Get started with Bitcoin
+Bitcoin uses peer-to-peer technology to operate with no central authority or banks; managing transactions and the issuing of bitcoins is carried out collectively by the network. Bitcoin is open-source; its design is public, nobody owns or controls Bitcoin and everyone can take part. Through many of its unique properties, Bitcoin allows exciting uses that could not be covered by any previous payment system.
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+ Fast peer-to-peer transactions
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+ Worldwide payments
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+ Low processing fees
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+Transact in seconds. Get confirmed in minutes.
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Reliable
+A network that runs without congestion.
++
Low Fees
+Send money globally for pennies.
++
Simple
+Easy to use. No hassles.
++
Stable
+A payment system that's a proven store of value.
++
Secure
+World's most robust blockchain technology.
+Bitcoin Cash brings sound money to the world, fulfilling the original promise of Bitcoin as "Peer-to-Peer Electronic Cash". Merchants and users are empowered with low fees and reliable confirmations. The future shines brightly with unrestricted growth, global adoption, permissionless innovation, and decentralized development.
+All are welcome to join the Bitcoin Cash community as we move forward in creating sound money accessible to the whole world.
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+ Send Money Anywhere In the World, Almost for Free
+With Bitcoin Cash, you can send money to anyone, anywhere in the world, 24 hours a day, 365 days a year. Like the Internet itself, the network is always on. No transaction is too big or too small. And you never need anyoneâs permission or approval.
+Be Your Own Bank and Have Full Control Over Your Money
+The seizing of capital from account holders (âbail-insâ) that occurred in Cyprus and nearly in Greece, demonstrated that bank deposits are only as safe as political leaders decide. Even under the best of conditions, banks can make mistakes, hold funds, freeze accounts, and otherwise prevent you from accessing your own money.
+Banks can also decide to block your transactions, charge you fees, or close your account without warning. Bitcoin Cash gives you full, sovereign control over your funds, which you can access from anywhere in the world.
+A Scarce Digital Currency with a Known, Fixed Supply
+The Bitcoin Cash protocol ensures there will never be more than 21 million coins in existence. Governments constantly print money out of thin air, endlessly inflating the supply and devaluing everyoneâs savings. Bitcoin Cash has a fixed supply and therefore represents sound money.
+Increase Your Privacy and Operate Anonymously
+Bitcoin Cash offers more privacy and anonymity than traditional payment systems like bank transfers and credit card payments, since itâs normally impossible to know who controls a Bitcoin address.
+Bitcoin Cash offers various levels of privacy depending on how it is used. Itâs important to educate yourself thoroughly before using BCH for privacy purposes.
+Enjoy Exclusive Discounts
+Many merchants offer discounts for paying in Bitcoin Cash, because it eliminates credit card fees and helps grow the adoption of this new payment system.
+Token Ecosystem
+Storing and managing tokens on a blockchain provides greater transparency and integrity than traditional forms of asset accounting and trading. Bitcoin Cash supports token protocols that power a variety of projects, and it is easy to create your own token backed projects.
+Support Freedom Worldwide
+Bitcoin Cash is a permissionless, open network. It empowers you to engage with your fellow human beings without intrusion. Itâs decentralized, voluntary, and non-aggressive. As usage grows, old power structures will erode while fresh ideas blossom. It may help usher in the greatest peaceful revolution the world has ever known.
+Ultra Low Fees
+The network fee for a typical Bitcoin Cash transaction is less than one penny. If you want to convert your BCH into fiat currency, such as US dollars, you can do that through merchant processors for a cost that is still much lower than credit card processing.
+No Chargebacks
+Unlike credit cards, there are never any automatic voids, refunds, chargebacks, or other unexpected fees. Fraud protection is built into the system with no cost to the merchant.
+New Customers
+A growing number of patrons are choosing Bitcoin Cash as a preferred payment method. They favor merchants who offer this payment option and actively seek them out.
+Free Marketing and Press
+By accepting Bitcoin Cash, merchants can gain free listings in website and app directories, gaining even more customers. They can also take advantage of this new trend and generate press for their business.
+In October 2008, Satoshi Nakamoto published the famous whitepaper entitled Bitcoin: A Peer to Peer Electronic Cash System
. In 2009, he released the first bitcoin software that powered the network, and it operated smoothly for several years with low fees, and fast, reliable transactions.
Unfortunately, from 2016 to 2017, Bitcoin became increasingly unreliable and expensive. This was because the community could not reach consensus on increasing the network capacity. Some of the developers did not understand and agree with Satoshiâs plan. Instead, they preferred Bitcoin become a settlement layer.
+By 2017, Bitcoin dominance had plummeted from 95% to as low as 40% as a direct result of the usability problems. Fortunately, a large portion of the Bitcoin community, including developers, investors, users, and businesses, still believed in the original vision of Bitcoin -- a low fee, peer to peer electronic cash system that could be used by all the people of the world.
+On August 1st, 2017, we took the logical step of increasing the maximum block size, and Bitcoin Cash was born. Anyone who held Bitcoin at that time (block 478558) became an owner of Bitcoin Cash (BCH). The network now supports up to 32MB blocks with ongoing research to allow massive future increases.
+With multiple independent teams of developers providing software implementations, the future is secure. Bitcoin Cash is resistant to political and social attacks on protocol development. No single group or project can control it. Multiple implementations also provides redundancy to ensure that the network retains 100% uptime.
+The bitcoincashresearch.org website is a good venue for making proposals for changes that require coordination across development teams. For those wishing to implement changes to the Bitcoin Cash protocol, it is recommended to seek early peer-review and engage collaboratively with other developers.
+If you are interested in helping with translations, then please check out our CrowdIn project. Remember, we only accept human translations, any automated translations will be rejected.
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+ + Discover how Bitcoin SV (BSV) has delivered Satoshiâs vision of One Global Bitcoin blockchain. Itâs fast, scalable, transformative, + efficient, and regulation-friendly (thus stable), setting many records along the way. BSV is a truly powerful blockchain. +
++ The vision for what Bitcoin is was outlined by its inventor, Satoshi Nakamoto, in the white paper entitled + âBitcoin: A Peer to Peer Electronic Cash Systemâ. Four months later the first open source Bitcoin client software is released. +
++ âSegregated Witnessâ or SegWit, was designed to remove the tracing capabilities of Bitcoin allowing the introduction of off-chain, + opaque exchange solutions such as the Lightning Network. The introduction of this broke Bitcoinâs original protocol and clearly + renders BTC as non-Bitcoin compliant and intentionally ineffective. +
++ Bitcoin SV (BSV) becomes the new ticker symbol for the original Bitcoin Protocol when BCH decided to divert from Bitcoinâs white + paper, introduce non-Bitcoin compliant features which included introducing anonymity that hinders government and financial + regulation. This is why itâs considered Bitcoinâs Independence Day. +
++ The Genesis upgrade restored the original Bitcoin Protocol as closely as possible to Satoshiâs original design, locking it down to + create stability for developers and enterprises to build upon. Unbounded scaling returned, as did the original Bitcoin script + language that allows developers to build on-chain applications easier. +
++ Numerous world records have now been set on Bitcoinâs original protocol including regularly surpassing millions of transactions a + day, the largest blocks (+4GB), largest NFT (1GB) and the lowest environmental impact of any proof-of-work (POW) chain. +
++ The BitcoinSV brands have been unified under the BSVblockchain umbrella, streamlining their approach and providing a clear, cohesive + identity for the project. +
+Cardano is a blockchain platform for changemakers, innovators, and visionaries, with the tools and technologies required to create possibility for the many, as well as the few, and bring about positive global change.
Cardano is a proof-of-stake blockchain platform: the first to be founded on peer-reviewed research and developed through evidence-based methods. It combines pioneering technologies to provide unparalleled security and sustainability to decentralized applications, systems, and societies.
With a leading team of engineers, Cardano exists to redistribute power from unaccountable structures to the margins – to individuals – and be an enabling force for positive change and progress.
Protocol
Research
Transact
Open
Ecosystem
Ouroboros is the first peer-reviewed, verifiably-secure blockchain protocol, and Cardano is the first blockchain to implement it. Ouroboros enables decentralization in the Cardano network on a sustainable scale for global requirements and most crucially, without compromising security.
The protocol is the result of tireless efforts, based on foundational research, propelled by a vision for more secure and transparent global payment systems, and provides the means to equitably redistribute power and control.
Cardano is the first blockchain platform to be built through peer-reviewed research, to be secure enough to protect the data of billions, scalable enough to accommodate global systems, and robust enough to support foundational change.
We have changed science. We have changed what it means to build global systems and sustainable models of exchange and governance.
Alongside the community, entities, and companies building on Cardano, a new future is being defined: a decentralized future without intermediaries, where power is returned to the individual
Multiple independent entities collaborate within a decentralized team framework to drive Cardano forward, ensuring that it remains aligned with its core mission as it progresses and develops. These are a few of them:
Celsius was a global cryptocurrency platform and Bitcoin mining company that emerged from Chapter 11 bankruptcy on January 31, 2024.
On February 29, 2024, the Celsius mobile and web apps were shut down, as a part of the winding down of its business operations, as detailed in the Plan of Reorganization. This will have no impact on distributions to creditors.
Beginning on February 1, 2024, claim distributions to Eligible Creditors are being made in cryptocurrency and US dollars. Some creditors are eligible to receive equity shares in Ionic Digital LLC, which is the reorganized mining business, formed following the emergence from bankruptcy in accordance with the Plan. For more information, please refer to the case details at Stretto.
If you are a creditor with questions related to your claim distributions, please refer to our Distribution FAQ.
Read Frequently Asked Questions
FAQSubmit a new support request
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Chainlink is defining how the world transacts onchain.
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Integrate your existing infrastructure with any private or public blockchain while meeting confidentiality requirements and supporting institutional compliance.
Power the lifecycle of tokenized assets with market data, interoperability, and dynamic synchronization as assets move across different blockchains.
Unlock limitless innovation and scale your user base with hyper-secure infrastructure already underpinning the worldâs largest blockchain applications.
The world's largest financial institutions are adopting Chainlink.
Time-tested security
Chainlink services are powered by decentralized oracle networks with a long track record of high availability, reliability, and data accuracy.
Universal interoperability
Chainlink connects existing systems to any public or private blockchain and enables secure cross-chain communication.
World-class developer experience
Chainlink provides developers across all major blockchains with extensive documentation, hands-on tutorials, and in-depth workshops.
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The global crypto market cap is $3.19T, a 0.72% increase over the last day.
0.72%
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EthereumEthereumEthereumEthereumEthereumEthereumEthereumEthereumEthereumPUBLISH
An open-source peer-to-peer digital currency, favoured by +Shiba Inus worldwide.
At its heart, Dogecoin is the accidental crypto movement that makes people smile! It is also an opensource peer-to-peer cryptocurrency that utilises blockchain technology, a highly secure decentralised system of storing information as a public ledger that is maintained by a network of computers called nodes. More than this, though, is the ethos of Dogecoin, summarised in the +Dogecoin Manifesto +, and its amazing, vibrant community made up of friendly folks just like you! +Learn more.
+
A wallet is necessary for people wanting to use, trade, or hold Dogecoin. You can pick a wallet
Learn more.
The Dogecoin community cares about supporting each other, being kind, teaching people about cryptocurrency, fundraising, having fun, making memes, and being absurd. This is nicely captured by Dogecoin’s unofficial tagline: Do Only Good Everyday. Get involved in our awesome community via the below links:
A common source of FUD surrounding Dogecoin is the claim that certain wallets holding a large percentage of the supply are owned by private investors or so-called “whales”. In reality, many of the top Dogecoin wallets are cold wallets or hot wallets controlled by … +Read more…
Oh yes it does, and it always has! The simple fact is that money has utility - and Dogecoin is money! Indeed, Dogecoin is one of the few cryptocurrencies that has been used for this main purpose from day one. +Dogecoin was first meant to be a joke - and it served, and will serve, … +Read more…
Right now, and for the next hundred years or so, Dogecoin operates like, and will continue to operate like, most other crypto assets. “Capped” assets are nowhere near mined out – and will continue adding to their supply, just like Dogecoin, for the foreseeable future. +Dogecoin’s … +Read more…
Dogecoin does not need coin burning marketing mechanisms that new tokens and other chains have attempted to implement to artificially inflate their prices. +Simplez.
Oh, yes it does - and it always has! +Dogecoin’s primary purpose has always been to be used as a currency. Billy Markus, co-creator of Dogecoin with Jackson Palmer, acted as a solo developer for the first Dogecoin Core releases. In 2014, Billy and Jackson left Dogecoin … +Read more…
A list of resources created by shibes that can be useful to work with Dogecoin and to research it.
Memes are awesome, and they’re easy to make! There’s lots of meme maker websites, and even meme applications that you can install on your smartphone to makes memes on the run. You may even go one step further and create Dogecoin-themed meme templates which have a possibility of … +Read more…
Miners and mining are at the center of Dogecoin’s Proof of Work consensus mechanism. Check these Dogepedia articles to understand what miners do, how they interact with nodes, and why mining pools come into play when it comes to mining: +What is a miner? What is a mining … +Read more…
A wallet is just a collection of private keys and public keys. +Each one of the wallet’s private keys is a randomised 256-bit number unique to your wallet, and it is what you need to be able to access and spend your coins. Your public address - the address which other Dogecoin … +Read more…
Dogecoin is an open-source project, meaning that anyone with some technical know-how can contribute to Dogecoin’s technical development. Even if you’re new to the space, it’s never too late to learn new tricks! +Dogecoin has an amazing team of developers and volunteers who are … +Read more…
Magic and memes! (Just kidding. Kind of.) +First things first: Dogecoin is money. +Like other popular cryptocurrencies, Dogecoin works by utilising blockchain technology. Unlike a lot of other popular cryptocurrencies, though, the fees to send Dogecoin are extremely small, and the … +Read more…
Mining pools are services, operated by third parties not affiliated with Dogecoin, which allow a group of miners to combine their hashing power when attempting to solve the “puzzles” involved in mining Dogecoin. +Mining rewards - consisting of 10,000 Dogecoin per block … +Read more…
Dogecoin’s history includes many charitable endeavours: from funding clean water wells in 2014 for Kenya, to the #TeamSeas initiative in 2021 – and many worthwhile causes in-between. The past year, though, has seen a dramatic increase in charities directly accepting Dogecoin … +Read more…
Decentralized worlds and tokenized economies at internet scale.
Access training and soon-to-be-released certification programs designed to give you the tools you need to deploy and scale your blockchain implementation, as well as grow your skills, validate your knowledge, and help you advance your career.
+
Let us know how we can support you and help you get started.
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The leading platform for innovative apps and blockchain networks
Pick a wallet
Create accounts & manage assets
Get ETH
The currency of Ethereum
Choose a network
Enjoy minimal fees
Try apps
Finance, gaming, social
Stablecoins are currencies that maintain stable value. Their price matches the U.S. dollar or other steady assets.
Learn more
Billions can't open bank accounts or freely use their money. Ethereum's financial system is always open and unbiased.
Explore DeFi
Ethereum is the hub for blockchain innovation. The best projects are built on Ethereum.
Explore benefits
Art, certificates or even real estate can be tokenized. Anything can be a tradable token. Ownership is public and verifiable.
More on NFTs
Stablecoins are currencies that maintain stable value. Their price matches the U.S. dollar or other steady assets.
Learn more
Billions can't open bank accounts or freely use their money. Ethereum's financial system is always open and unbiased.
Explore DeFiEthereum is the hub for blockchain innovation. The best projects are built on Ethereum.
Explore benefits
Art, certificates or even real estate can be tokenized. Anything can be a tradable token. Ownership is public and verifiable.
More on NFTs
Activity from all Ethereum networks
Crypto can feel overwhelming. Don't worry, these materials are designed to help you understand Ethereum in just a few minutes.
Be part of the digital revolution
Legacy
Ethereum
Ethereum is home to Web3's largest and most vibrant developer ecosystem. Use JavaScript and Python, or learn a smart contract language like Solidity or Vyper to write your own app.
Code examples
The ethereum.org website is built and maintained by hundreds of translators, coders, designers, copywriters, and enthusiastic community members each month.
Come ask questions, connect with people around the world and contribute to the website. You will get relevant practical experience and be guided during the process!
Ethereum.org community is the perfect place to start and learn.
Next calls
February 26, 2025 at 5:00 PM
March 13, 2025 at 4:00 PM
The latest blog posts and updates from the community
Ethereum communities host events all around the globe, all year long
This website is open source with hundreds of community contributors. You can propose edits to any of the content on this site.
External links are unofficial community submissions.
External links are unofficial community submissions.
As incumbent institutions are increasingly threatened by the wild potential of blockchain tech, only truly decentralized and secure cryptocurrencies will survive.
+Existing in response to contract censorship on sister chain Ethereum™ (ETH) and to uphold and preserve the principle of Code is Law, Ethereum Classic (ETC) has proven its ability to resist censorship against all odds, and deliver the original Ethereum vision of unstoppable applications.
+By combining the technology of Ethereum™ (ETH) with the philosophy of Bitcoin (BTC), Ethereum Classic (ETC) is uniquely positioned to be the base layer smart contracts platform of the future, as other chains become compromised or captured by special interests.
+Welcome, and please be invited to discover the past, present, and future of Ethereum Classic; its principles, value proposition, community, and more - to understand why Classic.
+
+
Holochain gives digital agency to organizations, markets, and people. By combining cryptography, distributed databases, and consensus-free validation—new social magic is possible.
AboutBuilding the everyday applications that power our lives.
Holochain is a chain like no other: simultaneously a validated onchain experience, and a fully distributed peer-to-peer application framework. This makes Holochain unique in the world of software and distributed networks. Here are a few building blocks that demonstrate what is possible.
The Holochain ecosystem is a really fun and exciting place to explore the possibilities and impact of fully distributed, scalable, and peer-to-peer applications!
The best apps of the 21st century will be built on Holochain.
Holochain is providing the opportunity for people to generate, hold and own their own data so that they can do what they want with it, for the first time ever.
Holochain enables collaborative, distributed apps that fit the needs of the communities they serve—without inserting any complicated consensus mechanisms or unnecessary coins to ensure integrity.
I thought "agent-centric tech" was just marketing. But I realised this shift is actually fundamental in moving towards a world where individual and collective autonomy are honoured.
Holochain is the vision holder for technology that is created to support core human values: agency, connection, and freedom.
Holochain just feels right. Everything from the technical architecture, the approach to community, to the broader vision. It feels right and exciting to be playing with all of these wonderful humans.
Holochain has a great collective of people who really want to see a paradigm shift to a more prosocial society and conscious peer-to-peer economic systems.
+ + Unprecedented + interoperability and + scalability for + blockchain developers + who want to quickly push + the limits of what’s + possible. Built using + Substrate with nearly + the same codebase and + industry-leading + multichain + infrastructure as + Kusama’s cousin, + Polkadot. +
+
+ The relationship between society and technology has deteriorated to the point where large entities routinely stretch and overstep their authority.
+Kusama is a network built as a risk-taking, fast-moving ‘canary in the coal mine’ for its cousin Polkadot. It's a living platform built for change agents to take back control, spark innovation and disrupt the status quo.
++ Kusama is a scalable network of specialized blockchains built using Substrate and nearly the same codebase as Polkadot. The network is an experimental development environment for teams who want to move fast and innovate on Kusama, or prepare for deployment on Polkadot. +
++ Kusama was founded in 2019 by Gavin Wood, founder of Polkadot and co-founder and former CTO of Ethereum. +
+
+ + Move fast and ship + your product. + Kusama’s risk-taking + and nimble mentality + allows developers to + move swiftly through + the governance and + upgrade process, + enabling rapid + progress and growth. +
++ Launch your custom + blockchain (parachain) + project with low + barriers to + entry. Ideal for + lean + startups looking to + move + fast and iterate. +
++ Build on a + next-generation, + sharded, multichain + network, while + employing the newest + features before they + are deployed on + Polkadot. +
++ Kusama is owned and + governed by a + community of network + participants who + vote on and control + the + evolution of the + network. Have a + voice + and make your mark + in the evolution of + the network. +
++ Leverage Polkadot’s + global brand and + developer community + for your parachain, + parathread or dApp. +
++ For teams looking to + move to Polkadot + after fine-tuning on + Kusama, begin + building your + community and brand + on Kusama before + deployment. +
+
+ + Kusama is built by + the same teams as + Polkadot, using + nearly the same code + and tools. The + network places the + latest tech from + Parity Technologies + and Web3 Foundation + in the hands of + developers, even + before those + features make it to + Polkadot. +
++ Kusama’s sharded + blockchains and open + governance provide a + scalable and + future-proof + infrastructure for + businesses, + marketplaces and + applications to + deploy and mature. +
++ Kusama brings + multiple blockchains + together into one + sharded network, + freeing developers + from the siloes + created by legacy + blockchain networks. +
++ With Substrate, + developers can build + their own + app-specific + blockchain and + connect it to + Kusama. +
+
+ Many teams will + choose Kusama for + their dapp or + parachain and remain + exclusively on + Kusama. Other teams + will join Kusama as + a temporary + preparation ground + for deployment on + Polkadot.
+
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+ + +Subscribe to the newsletter to hear about Kusama updates and events.
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diff --git a/tests/litecoin_org.html b/tests/litecoin_org.html
new file mode 100644
index 0000000..7a208bf
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+++ b/tests/litecoin_org.html
@@ -0,0 +1,593 @@
+
+
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+
+
+
+ MAY 29-30 | LAS VEGAS, NEVADA
+ ++ GPG Signatures + | + Other versions + | + Buy Litecoin +
+Litecoin is a peer-to-peer Internet currency that enables instant, near-zero cost payments to anyone in the world. Litecoin is an open source, global payment network that is fully decentralized without any central authorities. Mathematics secures the network and empowers individuals to control their own finances. Litecoin features faster transaction confirmation times and improved storage efficiency than the leading math-based currency. With substantial industry support, trade volume and liquidity, Litecoin is a proven medium of commerce complementary to Bitcoin.
+Find support across a growing number of Litecoin communities:
Find general information as well as a list of services and exchanges that support Litecoin at the Litecoin Wiki.
Up-to-date network statistics can be found at Litecoin Block Explorer Charts.
Source code for Litecoin Core and related projects are available on GitHub.
Litecoin is an open source software project released under the MIT/X11 license which gives you the power to run, modify, and copy the software and to distribute, at your option, modified copies of the software. The software is released in a transparent process that allows for independent verification of binaries and their corresponding source code.
+The Litecoin blockchain is capable of handling higher transaction volume than its counterpart - Bitcoin. Due to more frequent block generation, the network supports more transactions without a need to modify the software in the future.
As a result, merchants get faster confirmation times, while still having ability to wait for more confirmations when selling bigger ticket items.
Wallet encryption allows you to secure your wallet, so that you can view transactions and your account balance, but are required to enter your password before spending litecoins.
This provides protection from wallet-stealing viruses and trojans as well as a sanity check before sending payments.
Miners are currently awarded with 6.25 new litecoins per block, an amount which gets halved roughly every 4 years (every 840,000 blocks).
The Litecoin network is therefore scheduled to produce 84 million litecoins, which is 4 times as many currency units as Bitcoin.
You can contact Litecoin project development team at [email protected]
+Join the Litecoin Foundation monthly newsletter today. Get updates on development, announcements and exclusive Litecoin news.
Enter your email address into the form below.
Use the navigation menu to select a topic.
+
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+ 
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+
Download Brave
BAT White Paper
+ 
.webp)
.webp)
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diff --git a/tests/coinmarketcap_com_nft_upcoming.html b/tests/coinmarketcap_com_nft_upcoming.html
new file mode 100644
index 0000000..ecf54fe
--- /dev/null
+++ b/tests/coinmarketcap_com_nft_upcoming.html
@@ -0,0 +1,205 @@
+
.webp){kind=logo}
+ MIGRATE TO N3
+
+
+from boa3.builtin.contract import Nep17TransferEvent, abort
+
+@metadata
+def manifest_metadata() -> NeoMetadata:
+ meta = NeoMetadata()
+ meta.author = "coz"
+ return meta
+
+OWNER = UInt160(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+TOKEN_TOTAL_SUPPLY = 100_000_000 * 100_000_000 # 10m total supply * 10^8 (decimals)
+
+# Events
+on_transfer = Nep17TransferEvent
+
+@public
+def transfer(from_address: UInt160, to_address: UInt160, amount: int, data: Any) -> bool:
+ assert len(from_address) == 20 and len(to_address) == 20
+ assert amount >= 0
+
+ # The function MUST return false if the from account balance does not have enough tokens to spend.
+ from_balance = get(from_address).to_int()
+ if from_balance < amount:
+ return False
+
+ # The function should check whether the from address equals the caller contract hash.
+ if from_address != calling_script_hash:
+ if not check_witness(from_address):
+ return False
+
+ # skip balance changes if transferring to yourself or transferring 0 cryptocurrency
+ if from_address != to_address and amount != 0:
+ if from_balance == amount:
+ delete(from_address)
+ else:
+ put(from_address, from_balance - amount)
+
+ to_balance = get(to_address).to_int()
+ put(to_address, to_balance + amount)
+
+ on_transfer(from_address, to_address, amount)
+ # if the to_address is a smart contract, it must call the contract's onPayment method
+ post_transfer(from_address, to_address, amount, data)
+ return True
+
+
+
+
+
+
+using Neo;
+using Neo.SmartContract;
+using Neo.SmartContract.Framework;
+using Neo.SmartContract.Framework.Attributes;
+using Neo.SmartContract.Framework.Native;
+using Neo.SmartContract.Framework.Services;
+using System;
+using System.Numerics;
+
+namespace Desktop
+{
+ [ManifestExtra("Author", "Neo")]
+ [ManifestExtra("Email", "dev@neo.org")]
+ [ManifestExtra("Description", "This is a contract example")]
+ [ContractSourceCode("https://github.com/neo-project/neo-devpack-dotnet/tree/master/src/Neo.SmartContract.Template")]
+ public class Contract1 : SmartContract
+ {
+ //TODO: Replace it with your own address.
+ [InitialValue("NiNmXL8FjEUEs1nfX9uHFBNaenxDHJtmuB", ContractParameterType.Hash160)]
+ static readonly UInt160 Owner = default;
+
+ private static bool IsOwner() => Runtime.CheckWitness(Owner);
+
+ // When this contract address is included in the transaction signature,
+ // this method will be triggered as a VerificationTrigger to verify that the signature is correct.
+ // For example, this method needs to be called when withdrawing token from the contract.
+ public static bool Verify() => IsOwner();
+
+ // TODO: Replace it with your methods.
+ public static string MyMethod()
+ {
+ return Storage.Get(Storage.CurrentContext, "Hello");
+ }
+
+ public static void _deploy(object data, bool update)
+ {
+ if (update) return;
+
+ // It will be executed during deploy
+ Storage.Put(Storage.CurrentContext, "Hello", "World");
+ }
+
+ public static void Update(ByteString nefFile, string manifest)
+ {
+ if (!IsOwner()) throw new Exception("No authorization.");
+ ContractManagement.Update(nefFile, manifest, null);
+ }
+
+ public static void Destroy()
+ {
+ if (!IsOwner()) throw new Exception("No authorization.");
+ ContractManagement.Destroy();
+ }
+ }
+}
+
+
+
+
+
+
+package nep17Contract
+
+var (
+ token nep17.Token
+ ctx storage.Context
+)
+// initializes the Token Interface and storage context
+func init() {
+ token = nep17.Token{
+ ...
+ Name: "Nep17 example",
+ Owner: util.FromAddress("NdHjSPVnw99RDMCoJdCnAcjkE23gvqUeg2"),
+ TotalSupply: 10000000000000000
+ }
+ ctx = storage.GetContext()
+}
+// Transfer token from one user to another
+func (t Token) Transfer(ctx storage.Context, from, to interop.Hash160, amount int, data interface{}) bool {
+ amountFrom := t.CanTransfer(ctx, from, to, amount)
+ if amountFrom == -1 {
+ return false
+ }
+
+ if amountFrom == 0 {
+ storage.Delete(ctx, from)
+ }
+
+ if amountFrom > 0 {
+ diff := amountFrom - amount
+ storage.Put(ctx, from, diff)
+ }
+
+ amountTo := getIntFromDB(ctx, to)
+ totalAmountTo := amountTo + amount
+ storage.Put(ctx, to, totalAmountTo)
+ runtime.Notify("Transfer", from, to, amount)
+ if to != nil && management.GetContract(to) != nil {
+ contract.Call(to, "onNEP17Payment", contract.All, from, amount, data)
+ }
+ return true
+}
+
+
+
+
+
+
+import { SmartContract} from '@neo-one/smart-contract';
+
+export class NEP17Contract extends SmartContract {
+ public readonly properties = {
+ name: 'NEO•ONE NEP17 Example',
+ groups: [],
+ trusts: '*',
+ permissions: [],
+ };
+ public readonly name = 'NEO•ONE NEP17 Example';
+ public readonly decimals = 8;
+
+ private readonly notifyTransfer = createEventNotifier<Address | undefined, Address | undefined, Fixed<8>>(
+ 'Transfer', 'from', 'to', 'amount',
+ );
+
+ public transfer(from: Address, to: Address, amount: Fixed<8>, data?: any): boolean {
+ if (amount < 0) {throw new Error(`Amount must be greater than 0: ${amount}`);}
+
+ const fromBalance = this.balanceOf(from);
+ if (fromBalance < amount) { return false; }
+
+ const contract = Contract.for(to);
+ if (contract !== undefined && !Address.isCaller(to)) {
+ const smartContract = SmartContract.for<TokenPayableContract>(to);
+ if (!smartContract.approveReceiveTransfer(from, amount, this.address)) {
+ return false;
+ }
+ }
+
+ const toBalance = this.balanceOf(to);
+ this.balances.set(from, fromBalance - amount);
+ this.balances.set(to, toBalance + amount);
+ this.notifyTransfer(from, to, amount);
+
+ if (contract !== undefined) {
+ const smartContract = SmartContract.for<TokenPayableContract>(to);
+ smartContract.onNEP17Payable(from, amount, data);
+ }
+ return true;
+ }
+}
+
+
+
+
+
+
+package io.neow3j.examples.contractdevelopment.contracts;
+
+import static io.neow3j.devpack.StringLiteralHelper.addressToScriptHash;
+
+import io.neow3j.devpack.*
+
+@ManifestExtra(key = "name", value = "FungibleToken")
+@ManifestExtra(key = "author", value = "AxLabs")
+@SupportedStandards("NEP-17")
+@Permission(contract = "fffdc93764dbaddd97c48f252a53ea4643faa3fd") // ContractManagement
+public class FungibleToken {
+
+ static final Hash160 owner = addressToScriptHash("NM7Aky765FG8NhhwtxjXRx7jEL1cnw7PBP");
+
+ @DisplayName("Transfer")
+ static Event3Args onTransfer;
+
+ static final int initialSupply = 200_000_000;
+ static final int decimals = 8;
+ static final String assetPrefix = "asset";
+ static final String totalSupplyKey = "totalSupply";
+ static final StorageContext sc = Storage.getStorageContext();
+ static final StorageMap assetMap = sc.createMap(assetPrefix);
+
+ public static String symbol() {
+ return "FGT";
+ }
+
+ public static int decimals() {
+ return decimals;
+ }
+
+ public static int totalSupply() {
+ return getTotalSupply();
+ }
+
+ static int getTotalSupply() {
+ return Storage.getInteger(sc, totalSupplyKey);
+ }
+
+ public static boolean transfer(Hash160 from, Hash160 to, int amount, Object[] data)
+ throws Exception {
+
+ if (!Hash160.isValid(from) || !Hash160.isValid(to)) {
+ throw new Exception("From or To address is not a valid address.");
+ }
+ if (amount < 0) {
+ throw new Exception("The transfer amount was negative.");
+ }
+ if (!Runtime.checkWitness(from) && from != Runtime.getCallingScriptHash()) {
+ throw new Exception("Invalid sender signature. The sender of the tokens needs to be "
+ + "the signing account.");
+ }
+ if (getBalance(from) < amount) {
+ return false;
+ }
+ if (from != to && amount != 0) {
+ deductFromBalance(from, amount);
+ addToBalance(to, amount);
+ }
+
+ onTransfer.fire(from, to, amount);
+ if (ContractManagement.getContract(to) != null) {
+ Contract.call(to, "onNEP17Payment", CallFlags.All, data);
+ }
+
+ return true;
+ }
+
+ public static int balanceOf(Hash160 account) throws Exception {
+ if (!Hash160.isValid(account)) {
+ throw new Exception("Argument is not a valid address.");
+ }
+ return getBalance(account);
+ }
+
+ @OnDeployment
+ public static void deploy(Object data, boolean update) throws Exception {
+ throwIfSignerIsNotOwner();
+ if (!update) {
+ if (Storage.get(sc, totalSupplyKey) != null) {
+ throw new Exception("Contract was already deployed.");
+ }
+ // Initialize supply
+ Storage.put(sc, totalSupplyKey, initialSupply);
+ // And allocate all tokens to the contract owner.
+ assetMap.put(owner.toByteArray(), initialSupply);
+ }
+ }
+
+ public static void update(ByteString script, String manifest) throws Exception {
+ throwIfSignerIsNotOwner();
+ if (script.length() == 0 && manifest.length() == 0) {
+ throw new Exception("The new contract script and manifest must not be empty.");
+ }
+ ContractManagement.update(script, manifest);
+ }
+
+ public static void destroy() throws Exception {
+ throwIfSignerIsNotOwner();
+ ContractManagement.destroy();
+ }
+
+ @OnVerification
+ public static boolean verify() throws Exception {
+ throwIfSignerIsNotOwner();
+ return true;
+ }
+
+ /**
+ * Gets the address of the contract owner.
+ *
+ * @return the address of the contract owner.
+ */
+ public static Hash160 contractOwner() {
+ return owner;
+ }
+
+ private static void throwIfSignerIsNotOwner() throws Exception {
+ if (!Runtime.checkWitness(owner)) {
+ throw new Exception("The calling entity is not the owner of this contract.");
+ }
+ }
+
+ private static void addToBalance(Hash160 key, int value) {
+ assetMap.put(key.toByteArray(), getBalance(key) + value);
+ }
+
+ private static void deductFromBalance(Hash160 key, int value) {
+ int oldValue = getBalance(key);
+ if (oldValue == value) {
+ assetMap.delete(key.toByteArray());
+ } else {
+ assetMap.put(key.toByteArray(), oldValue - value);
+ }
+ }
+
+ private static int getBalance(Hash160 key) {
+ return assetMap.getInteger(key.toByteArray());
+ }
+
+}
+
+
+
+ NEO token
+
+ GAS token
+
+
+
+
+
+
+
+
+
+
+
+ Bringing trust, privacy, and security to Web3 through decentralized identity and data solutions.
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The Ontology blockchain is a high speed, low cost public blockchain bringing decentralized identity and data solutions to Web3. Increasing privacy, transparency, and trust, the high speed, low cost, layer 2 blockchain is designed to give users and enterprises the flexibility to build blockchain-based solutions that suit their needs, while also ensuring regulatory compliance. Through Ontology’s Ethereum Virtual Machine (EVM), Ontology ensures frictionless compatibility with Ethereum, the first step in the creation of the Ontology Multi-Virtual Machine and further interoperability for the chain.
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Polkadot is a blockchain network of networks designed to challenge our assumptions, directed and governed by those who hold the DOT token. By holding DOT, you are part of the largest and most decentralized decision-making group in the world.
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