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Nodes that fully verify all of the rules of Bitcoin. The most popular software implementation of full nodes is called Bitcoin Core.
2
votes
Accepted
Do Full Nodes perform Proof of Work to validate a Block?
Hashcash-style proof of work is a simple search process: Try lots of nonce values until you get an acceptable solution. To verify a node simply just has to try one value, the one the miner provided. …
1
vote
Possible optimisation to bitcoin propagation
Not sure how this didn't get more completely answered previously.
Bitcoin has not sent the full block as the primary propagation method for a couple years now, see BIP 152. What gets sent is the blo …
5
votes
Accepted
Is the idea of fraud proofs possible in reality?
The whitepaper said that SPV clients would avoid accepting a rules violating block by being altered to the violation, downloading the block, and checking for themselves. This is not realistically poss …
4
votes
Accepted
Bitnodes for node on testnet
Testnet is a distinct although largely similar protocol. Bitnodes would need to specifically support it for it to work with it. I can't find any evidence that bitnodes has any testnet support or a t …