BlockchainA blockchain is a type of distributed ledger technology. It is a huge database formed by blocks,cryptographically linked to each other, containing information such as transactions. These blocks are addedfollowing consensusTruth admitted by all system participants. This doesn’t imply that it is the absolute truth or that it’sindisputable, it is the truth participants agree on. In crypto, algorithms beginning with mechanism attributing the consensus determination by adding blocks to the blockchain to master nodes, having a certain number of coins of this blockchain. This amount is always indicated by the crypto assetDigital asset based on cryptography principles. Peer to peer traded, on a decentralized network, thanks to Distributed Ledger Technologies such as blockchain. The user is integrated into storage and transaction transmitter.