Finance系列（9）之Blockchain

1. Blockchain
Decentralized databases where the first block is known as the “genesis” block.

1.1. Blockchain 2.0
smart contract

1.2. Features
Transparency
Removal of intermidiaries
Decentralization

1.3. Advantages
Trust
Security
Wide range of potential usages
Reduced costs

1.4. Disadvantages
Lack of privacy
Security concerns

1.5. Applications
Ripple is a payment network that can be used to transfer different currencies, commodities or anything of value using distributed ledgers.

Ethereum is a platform on top of a blockchain with a programming language that allows developers to create and run decentralized applications and smart contracts to run on top of the underlying blockchain.