Address binary format

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Field order number	Field	Field type	Field size in bytes	Comments
1	Entity type	Byte	1	Value must be 1
2	Chain ID	Byte	1	87 — for Mainnet 84 — for Testnet 83 — for Stagenet
3	Account public key hash	Array of bytes	20	First 20 bytes of the result of the Keccak256(Blake2b256(publicKey)) hashing function. Here publicKey is the array of bytes of the account public key
4	Checksum	Array of bytes	4	First 4 bytes of the result of the Keccak256(Blake2b256(data)) hashing function. Here data is the array of bytes of three fields put together: 1. Entity type 2. Chain ID 3. Account public key hash