A blockchain is an ever growing list of transactions (blocks) which are stored and linked using Cryptography. A couple benefits of using blockchain technology are that it combats the Double Spending problem and that the transactions recorded are immutable.
Bitcoin and other cryptocurrencies are recorded chronologically and in a public digital ledger (blockchain).
- Ripple Consensus Network
- R3’s Corda
- Symbiont Distributed ledger
How to create your own