We can help you with your concerns. What is Blockchain? A blockchain is a data structure in the form of a linked list (chain) of unique blocks. To learn more about blockchains, we recommend these videos. Blockchain Features Now we introduce features of Blockchain as follows. Cryptography Consensus Algorithms Peer to Peer (P2P) Distributed Ledger Technology (DLT) Cryptography On of the cryptography used in blockchain is public-key cryptography. Public-key cryptography is a cryptosystem that uses separate keys (procedures) for encryption and decryption, and makes the encryption key publicly available. The keys used in public-key cryptography are called the public key ...