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Jimmy Song Criticizes Bitcoin Core’s OP_Return Change

Solomon M. by Solomon M.
September 22, 2025
in Bitcoin News
Jimmy Song Criticizes Bitcoin Core's OP_Return Change

Jimmy Song Criticizes Bitcoin Core's OP_Return Change

Key Takeaways:
  • Bitcoin Core’s OP_Return change faces criticism from Jimmy Song.
  • Song labels the update a “fiat mentality”.
  • Community dissent grows as Bitcoin Knots nodes increase.
jimmy-song-criticizes-bitcoin-cores-op_return-change
Jimmy Song Criticizes Bitcoin Core’s OP_Return Change

Jimmy Song, a noted Bitcoin educator, has criticized the Bitcoin Core developers for their decision to remove the 80-byte OP_Return data limit in the forthcoming Bitcoin Core 30 update.

This controversy highlights internal tensions within the Bitcoin community, potentially affecting network decentralization and node stability, as significant migration to Bitcoin Knots occurs.

Jimmy Song, a notable Bitcoin educator, has criticized the Bitcoin Core developers for their decision to eliminate the 80-byte limit on the OP_Return section of transactions in the upcoming Bitcoin Core 30 update.

Song condemns the change as a “fiat mentality,” arguing it undermines Bitcoin’s principles of decentralization. The modification is intended to simplify protocol management and promote new use cases, but it has spurred significant controversy.

The OP_Return change has prompted a migration of nodes to Bitcoin Knots, with this alternative software now making up 18–20% of all nodes. This uptick in adoption underscores community opposition and signals a notable shift within the Bitcoin network.

While funding impacts are unclear, Bitcoin’s governance structure and community sentiment are noticeably affected. The debate has reignited memories of past block size wars, indicating a potential fracture in Bitcoin’s development landscape.

No regulatory responses have been reported so far, but GitHub activity suggests ongoing developer debates over potential code complexity and network stability issues. Song’s remarks reflect broader concerns about the future economic incentives for miners.

Insights on potential financial impacts include concerns that prioritizing non-financial transactions could reshape Bitcoin’s block composition. Historical precedents, like the Bitcoin Cash split, indicate serious implications if consensus is not achieved. Further industry shifts may occur as developments unfold.

“The removal of the OP_RETURN limit reflects a fiat mentality, disregarding the core values of Bitcoin and community opposition while exposing the network to long-term risks,” said Jimmy Song, Bitcoin Educator.
Disclaimer:

The content on The CCPress is provided for informational purposes only and should not be considered financial or investment advice. Cryptocurrency investments carry inherent risks. Please consult a qualified financial advisor before making any investment decisions.

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