Adam Back

CEO of Blockstream

CEO of Blockstream, Back is a cryptographer and early Bitcoin pioneer.

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Recent Tweets

@lukedewolf @Piripindulki spammers can send spam without bare multisig. bitcoin protocol is full of pubkeys, hashes etc. many places that can be abused, and can't realistically be prevented.

Mentioned on : 10/28/2025

"Bitcoin is not to take power away from a central group and give it to the people, it’s to take power away from the central group and give it to no one at all" -waxwing interesting thoughts on filtering.

Mentioned on : 10/19/2025

Bitcoin is owned by humanity, the protocol developers are stewards, and need consensus from users to change it materially. bitcoin is about money, spam has no place in the timechain. what defaults the bitcoin core project puts in the reference client matter in this.

Mentioned on : 09/05/2025

@BitcoinAIMusic @coryklippsten @lukedashjr disagrees. he says, and i agree, that op return won't be used (as it's 4x more expensive). but then he makes the confusing leap that "standardizing" would be used to legitimize spamming in inscriptions. have a listen to @ToneVays pod if you don't believe it.

Mentioned on : 10/18/2025

@wk057 @cguida @Arthur_van_Pelt @jimmysong @Exellion @GrassFedBitcoin @LukeDashjr @ToneVays it's useful to have an explanation because if you're going to have a discussion, it's becomes circular if people simply can't make sense of the logic. here's bitcoin project intent "op return is NOT an endorsement of storing data in the blockchain"

Mentioned on : 10/19/2025

#bitcoin 200wma passes $54k

Mentioned on : 10/22/2025

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#	Exchange	Tweet Post Mentions	Price	Change(%)	Day Low	Day High	Market Cap	Volume	Last 7 Days
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