reply on: Mempool.space now shows stale blocks \ stacker news ~mempool

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What's a stale block?

When multiple blocks are mined at nearly the same time, only one is added to the main chain while the others become stale blocks.

Very cool. Why it was a disaster when some companies used zero-conf

This could even be a disaster for 1 conf. But in this case, most transactions ended up in both versions of the block.

Yea