1. David Chaum is a pioneer in the development of digital cryptography and the creator of the first digital currency, eCash, in 1990

2. Vitalik Buterin is the founder of Ethereum, the second largest cryptocurrency network after Bitcoin, and the co-founder of Bitcoin Magazine in 2015.

3. Hal Finney was the first developer to receive the first Bitcoin transaction from Satoshi Nakamoto and made important contributions to the early development of Bitcoin. It is speculated that he is the real Satoshi Nakamoto.

4. Gavin Wood and Charles Hoskinson were key figures in the early development of Ethereum. Years later, Gavin Wood founded Polkadot, and Hoskinson developed Cardano in 2014.

5. Satoshi Nakamoto, the creator of the largest cryptocurrency Bitcoin, with a market value of $715 billion, his identity is a mystery. The Japanese man in the photo is indeed Satoshi Nakamoto, but whether he is the founder of Bitcoin, may not be.

6. Michael Saylor, founder and CEO of MicroStrategy. His company is one of the companies that invests the most in Bitcoin, and he is also considered one of the greatest evangelists of Bitcoin.

7. Jihan Wu, co-founder, chairman and CEO of Bitmain Technologies, which was founded in 2013 and is one of the world's leading blockchain technology and cryptocurrency mining companies.

8. Changpeng Zhao, also known as CZ, is the CEO of Binance, which was founded in 2017 and is the world's largest cryptocurrency exchange and one of the largest Bitcoin holders.

9. Barry Silbert is the founder and CEO of Digital Currency Group, an influential company in the blockchain field. He was one of the top five billionaires in the industry in 2015.

10. Brian Armstrong is the current CEO of Coinbase, one of the largest crypto asset exchanges, and has been a key figure in the industry since its founding in 2012.