Bitcoin Core to Remove 80-Byte OP_RETURN Limit in Upgrade Citing Peter Todd, Bitcoin Runes, and Ordinals

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Updated May 7, 2025, 07:27 PM

Bitcoin Core developers have announced plans to remove the 80-byte limit on the OP_RETURN field in Bitcoin transactions in the upcoming network upgrade. OP_RETURN is a special output type used to embed data within Bitcoin transactions, and the current cap restricts the amount of extra data that can be stored. This change is seen as a major upgrade, potentially the most important since Taproot, and is motivated by the rise of large-data inscriptions such as Bitcoin Runes tokens and Ordinals. The proposal, originally put forward by early Bitcoin developer Peter Todd, aims to reduce harm by allowing more data storage flexibility but has sparked debate within the community. Critics argue the removal could lead to increased spam on the blockchain, while supporters believe it will enable more innovative uses of Bitcoin’s blockspace and let market forces decide its application. The upgrade reflects ongoing discussions about Bitcoin’s governance and its foundational principles of separating money from state and reducing corporate control over the economy.

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#Bitcoin Core #Bitcoin #Taproot #Bitcoin Runes #Ordinals #Peter Todd

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Sources

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TFTC

@TFTC21

What is the OP_RETURN debate really about? "It does seem like the drama around OP_RETURN is more on the governance side of things... I'm more of the opinion of remove the limit and let the free market decide." - @marks_ftw https://t.co/klQeXv4FIX

TFTC

@TFTC21

Reclaiming the Bitcoin narrative. "Let's get back to the founding principles of #bitcoin: We can separate money from state. We can get rid of the control of corporations over our economy." - @SuperTestnet https://t.co/v8smloV1XN