Samson Mow, the CEO at JAN3 and the previous CSO at Adam Again’s Blockstream, has revealed a tweet to announce that on August 1, 2002, Again invented one thing that was later utilized by the mysterious Satoshi Nakamoto as a basis for what later turned referred to as Bitcoin.
Curiously, many within the crypto group imagine that the cypherpunk legend Adam Again in actuality, was Satoshi, the enigmatic inventor of digital gold.
Hashcash celebrates twenty third anniversary
23 years in the past, on August 1, younger cypherpunk Adam Again, a holder of a PhD in distributed techniques from the College of Exeter, the UK, launched a whitepaper of his invention – “Hashcash – A Denial of Service Counter-Measure”. Again developed it to fight a rising wave of e-mail spam and denial-of-service assaults. Nonetheless, the thought was proposed by him a couple of years earlier, in 1997.
Twenty-three years in the past, on August 1, 2002, @adam3us formally launched the whitepaper for Hashcash and laid the muse for Satoshi Nakamoto to create #Bitcoin. pic.twitter.com/crDDOWSC7M
— Samson Mow (@Excellion) August 2, 2025
In Hashcash, the shopper has to concatenate a random quantity with a string a number of occasions and hash this new string. It then has to take action time and again till a hash starting with a sure variety of zeros is discovered.
Afterward, in 2008, Satoshi Nakamoto tailored the idea first utilized in Hashcash to determine Bitcoin’s mining proof-of-work mechanism to safe the long run BTC community. Satoshi talked about each Again and Hashcash within the Bitcoin whitepaper launched in 2008.
Again denies being Bitcoin inventor
Because of the direct connection of Hashcash and Bitcoin mining proof-of-work system, many got here to imagine that the mysterious Satoshi Nakamoto was none apart from Adam Again himself, who most well-liked to not be related along with his most well-known and revolutionary “invention” anymore.
Nonetheless, this concept was denied when specialists analysed Nakamoto’s writings on the BitcoinTalk discussion board, evaluating them to these of Backs. No similarities have been discovered between the 2. Nonetheless, many nonetheless imagine that Bitcoin was invented by Adam Again. He continues to disclaim these claims. Again’s firm, Blockstream, got here up with the Bitcoin Lightning Community, which permits making mini-Bitcoin funds quick and low-cost.


