Bitcoin Core v30 Update Sparks Controversy Over OP_RETURN Limit

News Flash 2025-09-24 14:32

The release of Bitcoin Core v30 has sparked significant debate within the cryptocurrency community due to its expansion of the OP_RETURN data limit. The update removes the previous 80-byte restriction, allowing payloads of up to nearly 4MB. Supporters of the change argue it will enhance on-chain applications and bolster Layer 2 infrastructure. However, critics, including developers from Bitcoin Knots, express concerns about potential chain bloat and increased spam. The controversy has led to a notable shift in node market share, with Bitcoin Knots rising from 2% to 20%, indicating substantial dissent. Despite the heated discussions, prominent figures like Jimmy Song believe the upgrade will not harm Bitcoin, citing the protocol's resilience in past divisive situations.

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