Mina (formerly coda protocol), a blockchain encryption protocol with constant block size. The Mina protocol compresses the entire blockchain into snapshots the size of twitter tweets. This means that no matter how many transactions are executed, it is still convenient to verify the blockchain and everyone can access it. Project introduction Mina is one of the lightest blockchains in the world, creating a private gateway between the real world and cryptocurrency. Project advantages: 1. Light chain, high throughput. Keep the blockchain at a constant size, always about 22KB. Compress the verification data, reduce the amount of data required for the verification transaction, and make the whole protocol have light volume and high-speed network response. 2. Easy access. Mina will build an application ecosystem based on zero knowledge proof (snark) technology, called snapp (an app driven by snark). It can realize scenarios similar to credit point verification, document verification, balance verification, etc. Unlike other blockchains, Mina requires complicated protocols and node confirmation. With Mina's snapp, developers can build distributed applications using validated private real data from any website. 3. Decentralized, with complete nodes. In Mina network, all nodes are full nodes, and each node can accept and verify the zero knowledge proof. Mina's design means that participants can participate in the consensus of equity certificates, so as to achieve real decentralization. 4. Dedicated and powerful applications. Mina supports new application categories and optimizes privacy and scalability. 5. Programmable currency for all. Participants can directly build and interact with tokens without using centralized wallets, exchanges or intermediaries.