An Ethereum address is the last 20 bytes from the keccack256 of the general public critical. The public key algorithm is secp256k1, exactly the same used in bitcoin. The private essential is 64 hexadecimal characters. Each and every string of sixty four hex are, hypothetically, an Ethereum private important (see https://phase2directory.com/listings12856223/the-basic-principles-of-trc20-scan