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● #969,554
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Block #965,529

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← #965,528#965,530 →mempool.space ↗

Mined Fri, 04 Sep 2026 21:58:29 UTC · 2,008 transactions · 600 OP_RETURN outputs

WHAT THE 600 OUTPUTS CARRIED
Runes 543 (counted only)Opaque 40Protocols 8Tokens 1Human messages 7
Block #965,529 ✕CLEAR ALL
Other·Unmonitored27d ago

From:satoshiSubject:Re: Dealing with SHA-256 CollisionsDate:June 14, 2010 at 20:39:50 UTCSHA-256 is very strong. It's not like the incremental step from MD5 to SHA1. It can last several decades unless there's some massive breakthrough attack.If SHA-256 became completely broken, I think we could come to some agreement about what the honest block chain was before the trouble started, lock that in and continue from there with a new hash function.If the hash breakdown came gradually, we could transition to a new hash in an orderly way. The software would be programmed to start using a new hash after a certain block number. Everyone would have to upgrade by that time. The software could save the new hash of all the old blocks to make sure a different block with the same old hash can't be used.

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