In information released to shareholders this week, Coinbase revealed that it recorded turnover of $1 billion last year, which works out at an astonishing $2.74 million a day or $2,000 a minute. #Bitcoin 
![image.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1516904318/ba1paxlnnazvrs55qoth.png)

Incentive mechanism & decentralized security system are different, even if both essential.
"The purpose of mining is not the creation of new #bitcoin. That's the incentive system. Mining is the mechanism by which bitcoin's security is decentralized"