Public addresses are a unique string of letters and numbers that represent a location on the blockchainAs a distributed ledger technology (DLT), a blockchain is a digital ledger that can create an immutable record of transactions.... Read More. Public addresses can be used to send or receive cryptocurrencyCryptocurrency is decentralized digital currency secured by cryptography. Cryptocurrency utilizes cryptographic protocols to record ownership and prevent counterfeits (when ownership... Read More and store data in smart contracts.