Defines technological basis of a project, explains its 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 (algorithm, rewards) and eventually presents its business model or business plan if 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 is a tokenCan be considered as a digital coupon whose unicity can be mathematically proven and being tradable for assets, services, or goods. The concept of token isn’t actually from crypto ecosystem;. It is a very useful tool to get information on a project, the way it works, its ambitions and team.