Gavin Anderson is Satoshi Nakamoto's successor and a member of the Bitcoin core development and celebration team. He is the leader of Bitcoin and one of the few people who kept in touch by email before Satoshi Nakamoto disappeared from the Internet.

In 20 10, Gavin started to contact Bitcoin and submitted the code to Satoshi Nakamoto to optimize the core system of Bitcoin. Satoshi Nakamoto gradually trusted Gavin's code. Finally, one day, Satoshi Nakamoto asked Gavin if he could put his email address on the homepage of Bitcoin, and Gavin agreed to keep it. Since then, Satoshi Nakamoto has retired from the background, and Gavin has become the leader of Bitcoin.

Gavin established the core development team of Bitcoin, which is dedicated to fixing the security vulnerabilities of Bitcoin code, improving the stability of Bitcoin software and making it easier to use. In 20 12, Gavin founded the non-profit Bitcoin Foundation. Gavin and his core bitcoin development team have contributed to the development of bitcoin.

The maximum transaction volume must be observed, that is, the transaction cost must not be reduced to zero, otherwise "miners" will have no income, which will lead to unsustainable mining and eventually declare the death of Bitcoin network. However, in a highly competitive market, supply, demand and price will eventually find a balance point. At this balance point, the price is equal to the marginal cost of the supplier plus some net income. In this case, the price is the transaction cost.