5 ms·
> after N+6 blocks, it is vanishingly unlikely that a transaction in block N will be removed from history by block N being replaced by a totally new chain At l
by tveita 13y ago
> after N+6 blocks, it is vanishingly unlikely that a transaction in block N will be removed from history by block N being replaced by a totally new chain
At least as long as people aren't using the selfish mining strategy.
If one or more large pools were doing selfish mining, you might see long parallel chains with some regularity.
- patio11 13y agoThis is likely true, and I wanted to try explaining it, but I only had time to write a comment and not a journal article. Suffice it to say that the Bitcoin community widely believes what I wrote, and that interested HNers should look up the actual journal article about selfish mining, which is really accessible (well, by the standard of writing about Bitcoin).
- sneak 13y ago> well, by the standard of writing about Bitcoin This triggered an actual irlol. :D