Bitcoin
Bitcoin is a digital currency that enables instant payments to anyone, anywhere in the world. 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.
Bitcoin is a new currency that was created in 2009 by an unknown person using the alias Satoshi Nakamoto. Transactions are made with no middle men - meaning, no banks! There are no transaction fees and no need to give your real name. More merchants are beginning to accept them: You can buy web hosting services, pizza or even manicures.
Bitcoin is different than conventional payment systems in that there are no centralized authorities. With bitcoin, transactions are carried out collectively by the network, making it essentially immune to fraud and double spending. There is no single mediator who oversees the network and transactions.
Bitcoin is a crypto-currency. It is a form of digital money that is designed to be secure and, in many ways, anonymous (although this can be an illusion). Bitcoins can be sent over the Internet directly to anyone anywhere in the world no matter what their location is.
You are invited to experience a new kind of digital currency. Bitcoin, like the Internet itself, has the power to transform financial services and beyond. This open source technology enables instant, secure and nearly free global financial transactions of any size with no chargebacks.
Ethereum
Ethereum is a technology (like bitcoin) that's home to digital money — you know, like bitcoins. However, ethereum can be used for more than just money: it can also be used to build decentralized applications, create digital tokens of value, and even govern its own community.
Ethereum is an open-source, decentralized platform running smart contracts.
If you’re the kind of person that likes to read before you watch – or listen to – then this might be your cup of tea. There are lots of resources that cover the same information, but none that I’ve seen which explains it so simply. My goal is to give you a solid understanding of what Ethereum is and an appreciation for why it’s important.
Ethereum is a platform and a programming language that makes it possible for any developer to build and publish next-generation decentralized applications. Ethereum can be used to codify, decentralize, secure and trade just about anything: voting, domain names, financial exchanges, crowdfunding, company governance, contracts and agreements of most kind.
You may not have heard much about Ethereum, but its impact will soon be obvious. Advisors include Vitalik Buterin, Gavin Wood, Anthony Di Lorio and Joseph Lubin. It runs on blockchain technology, so if you have used Bitcoin or DASH (another cryptocurrency), both operate on the same technology. The Ethereum blockchain is more than just a cryptocurrency – it's a ledger technology that tracks ownership of any asset and can automate interactions without human involvement.
Cardano
Cardano Foundation is the organization behind Cardano, a proof-of-stake blockchain platform that has pioneered new methods of governance to protect its decentralized blockchain. Cardano was built through peer-reviewed research and developed through a scientific philosophy.
Cardano is a blockchain platform that utilizes a special kind of technology known as "proof-of-stake".
Cardano is a decentralized public blockchain and cryptocurrency project that is fully open source and founded on scientific philosophy. The development team comprises a large global collective of expert engineers and researchers based in various universities, laboratories and industry. It is the first blockchain platform to evolve out of a scientific philosophy and a research-first driven approach.
Cardano is a decentralized public blockchain and cryptocurrency project and is fully open source. Serving as the base layer protocol for the Ada cryptocurrency, Cardano provides a smart contract platform, a fully featured wallet system, and aims to provide a programmable blockchain that can protect user's privacy, protect against security theft, and apply regulatory rules across a trustless network.
Polkadot
Polkadot makes it possible to transfer any kind of data or asset between blockchains. Polkadot powers a global interoperability network, connecting all decentralized systems, dApps and communities in a peer-to-peer manner. With Polkadot, we are laying the foundations for the future of the decentralized web.
Polkadot makes it possible to transfer any kind of data or asset between blockchains. Polkadot powers a global interoperability network, connecting all decentralized systems, dApps and communities in a peer-to-peer manner. With Polkadot, we are laying the foundations for the future of the decentralized web.
Polkadot is a Web3 Foundation project that provides scalable inter-blockchain services. It allows for the implementation of many independent blockchains, with secure and auditable parachain-to-parachain messaging and state-layer interoperability. Polkadot is being built to solve the scalability trilemma of blockchain systems by implementing a novel relay chain mechanism that operates as a 3rd-party trustable committee, enabling new blocks in Polkadot to be produced in parallel, greatly reducing latency and transaction times.
Polkadot is a multi-chain platform that connects compatible blockchains together and allows for their respective token holders to transact with one another. Each blockchain in the network can use another's security and bandwidth, as well as transactions; this means that each blockchain contributes to the security of other chains, increasing overall system robustness.
Solana
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Solana is a ground-breaking blockchain built to enable scalable, user-friendly apps for the world.
Explore the world's fastest blockchain. Solana is a self-amending and scalable blockchain platform that enables developers to create high performance applications. Solana distributes the security and tamperproof support needed to power smart contracts, decentralized exchanges and tokens.
Solana is a scalable blockchain designed for the world. It’s built to run the web of tomorrow: identity, payments, file storage, and Proof of Work. Solana is a highly-available, layered architecture . With verified Proof of Stake consensus, significant uptime and strong cross-shard communication, it can process many transactions per second.
Comparisons of coins
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