Blockchain Technology Comprehensive Report 2025: Background, Evolution, Trends & Future Outlook (26th of June 2025).
Satoshi Nakamoto launched Bitcoin in 2009 with the mining of its first block. Ethereum’s 2016 DAO hack led to a hard fork; in 2022, Ethereum switched to proof-of-stake, cutting energy use by nearly 99.95%. By late 2021, DeFi apps held over $200 billion, and Christie’s sold an NFT for $69 million. As of 2023, 114 countries were exploring central bank digital currencies, with 11 already launched.