Blockchain

Learn how to migrate from a decentralized exchange to a centralized exchange by matching tokens, networks, and deposit details safely.

Learn where to buy Polkadot DOT using exchanges, apps, or wallets, plus tips to choose a platform and buy DOT safely.

A hash is the result of a mathematical function that turns any data into a string of characters of a fixed length. Hashing underpins the security of the blockchain and protects transactions against tampering.

Hashrate is the speed at which equipment performs hashing operations during mining. The metric reflects the computing power of an individual device or of the entire network and directly affects its security.

Colored Coins are a technology that allows you to «mark» small amounts of bitcoin so that they represent other assets: shares, ownership rights, or digital tokens on top of the Bitcoin blockchain.

A token is a digital unit of account that exists in a distributed ledger on top of someone else's blockchain. Unlike a cryptocurrency, a token has no network of its own and can represent a wide variety of rights and assets.

Simplified Payment Verification (SPV) is a method of verifying transactions on a blockchain without downloading the entire chain of blocks. Block headers are enough, which makes the technology the foundation of lightweight crypto wallets.

Fintech is an industry that brings together companies that use technology and innovation to transform financial services. It includes payment services, neobanks, and also blockchain-based solutions.

A fork in a blockchain is a change to the rules by which a block is recognized as valid. There are soft forks and hard forks, which affect the unity of the network in different ways.

Freicoin is a cryptocurrency built around the economic idea of money with a storage fee. It is based on the concept of "free money" by economist Silvio Gesell.