A blockchain is a database with a twist. It is decentralized (the blockchain is not stored in any single location), meaning the records it keeps are not falsifiable and at the same time easily audit-able by design. The blockchain has a tamper-resistant and authorized transaction history assured via cryptography. Blockchain can be public or private, the differences can essentially be distilled down to what are the default permissions built into the network to allow new blocks to be written to the chain. Decentralization: No single point of failure or excessive influence. Immutability: Transactions are viewable by all parties creating transparency. Transaction history cannot be unnoticeably altered or deleted. Cryptographic proofs: Everything stored in xChange Blockchain is secured with cryptographic proofs, the data you provide won’t be tampered with or altered.