# This Is Why Some Bitcoin Core Nodes Can Stop Building Blocks

- Source: CryptoPotato
- Published: 2026-11-11T17:01:15+00:00
- Category: Markets
- Original: https://cryptopotato.com/this-is-why-some-bitcoin-core-nodes-can-stop-building-blocks/
- Canonical: https://groundlevelnews.com/story/this-is-why-some-bitcoin-core-nodes-can-stop-building-blocks-287432/

A bug could leave a miner's node with transactions spending unavailable outputs, causing its block template to fail the validity check.

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