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Archived PDF from the original on 5 June If you choose to manage your cryptocurrency wallet with a local application on your computer or mobile device, then you will need to protect this wallet at a level consistent with your investment. Cryptographic hash function Block cipher Stream cipher Symmetric-key algorithm Authenticated encryption Public-key cryptography Quantum key distribution Quantum cryptography Post-quantum cryptography Message authentication code Random numbers Steganography. These and other key features have been summarised in the table below. On 15 September , the world's second largest cryptocurrency at that time, Ethereum transitioned its consensus mechanism from proof-of-work PoW to proof-of-stake PoS in an upgrade process known as "the Merge".
