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John Carvalho argues that renaming the smallest Bitcoin unit to “bitcoin” instead of “satoshi” would simplify user understanding, reduce cognitive friction, and better reflect Bitcoin's integer-based transaction system.
Supporters of Bitcoin Improvement Proposal 177 have cited a 2010 post by Bitcoin’s creator Satoshi Nakamoto, who suggested that Bitcoin's display format could be altered to avoid small decimals.
Bitcoin’s denomination system, as of May 2025, defines one bitcoin (BTC) as equal to 100 million satoshis, a configuration that has been criticized for confusing new users by relying on very small fractional units.
Bitcoin Improvement Proposal 177 aims to reverse Bitcoin’s unit hierarchy by defining 1 satoshi as 1 bitcoin, effectively rebranding 1 BTC as 100 million bitcoins or “bits”.

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