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My question used the term "consensus blockchain". I hope the meaning was clear - it's the blockchain that everyone eventually agrees on, not some ephemeral data structure that exists for a second. You are saying "these are quite frequent but usually resolve themselves in a matter of minutes" - it would be nice to have a numerical estimate. What percentage? (the topic of the question).
– MWB
Commented Nov 13, 2023 at 19:55
@MWB You asked for the probability that a mined block "does not make it to the blockchain": the probability that a "network fork" occurs is altogether a different question, as my explanation should have made clear. Also, asking such a very concrete question about "the blockchain in general" is simply meaningless: I explained Bitcoin because that is basic, and if you had something else in mind, you should/would have said so. Last but not least, "the consensus blockchain" is redundant, it's "the blockchain", period: "consensus" is an underlying mechanisms. Hope that clarifies.
– Julio Di Egidio
Commented Nov 13, 2023 at 22:49
A blockchain, by definition, is just a data structure - a (particular) singly-linked list of blocks. Different nodes can hold on to different lists. The product of the consensus mechanism is a list that everyone agrees on. That's what I call a "consensus blockchain". The nonce that the miner found may or may not end up in it. The question asked about the probability of it not making it there.
– MWB
Commented Nov 13, 2023 at 23:25

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