Adam Back and Michael Saylor oppose Bitcoin proposal BIP 110

Adam Back and Michael Saylor oppose Bitcoin proposal BIP 110

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News Editor
2026-07-12 00:50:42
Blockstream CEO Adam Back and Strategy founder Michael Saylor have both spoken out against Bitcoin Improvement Proposal 110, a proposal tied to filtering certain types of data-embedding transactions on the network. Back argued that the proposal is, at its core, an attempt to use the consensus layer to restrict other people’s behavior, which he said runs against Bitcoin’s decentralized and permissionless design. He also said Bitcoin’s technical consensus process already functions as an effective immune system, adding that any change not rigorously vetted by hundreds of developers would not pass. Saylor echoed that view in a post quoting Back. He said BIP 110 turns a dispute over spam into a consensus change that could make some transactions currently considered valid become invalid, and argued that setting such a precedent is the real risk. According to the input, BIP 110 seeks to modify default relay policy to filter or limit certain on-chain data-embedding transactions, such as OP_RETURN outputs. Supporters say the proposal could help curb the spread of blockchain spam.
BitcoinBIP 110Adam BackMichael SaylorBlockstreamStrategyGovernance

Blockstream CEO Adam Back and Strategy founder Michael Saylor have both publicly opposed Bitcoin Improvement Proposal 110, or BIP 110.

In a longer post, Back said the proposal is essentially an attempt to use the consensus layer to constrain the behavior of others, a direction he said conflicts with Bitcoin’s core properties as a decentralized and permissionless system. He added that Bitcoin’s technical consensus process already acts as an efficient “immune system,” and said no change can pass without strict examination by hundreds of developers. Back also urged BIP 110 supporters to better understand how Bitcoin works instead of pursuing a separate fork.

The debate centers on consensus-level risk

Saylor, quoting Back’s post, added that BIP 110 escalates a dispute over spam into a consensus change that could render some currently valid transactions invalid. In his view, that precedent is the real risk.

BIP 110 is a Bitcoin improvement proposal that aims to filter or limit certain kinds of data-embedding transactions on-chain, including OP_RETURN outputs, by changing the default relay policy. Supporters say the move would help curb the spread of blockchain spam.

This article was originally published by Bit.Fan. For more cryptocurrency news and market insights, visit www.bit.fan.
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