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Questions tagged [compact-blocks]

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7
votes
1answer
250 views

Improvements that could be made to how bitcoin propagates its transactions and blocks?

As of 2018 what are the known improvements that could be made to how bitcoin propagates its transactions and blocks?
2
votes
4answers
197 views

Why miners need to broadcast blocks that contains full transactions in Bitcoin?

Does anyone know why Bitcoin requires miners to broadcast blocks that contains full transactions? When a user want to make a payment on Bitcion, he/she needs to broadcast a signed transaction, and ...
0
votes
1answer
34 views

Is the compact block protocol faster than normal blocks when it has to do getblocktxn/blocktxn round trip?

When a compact block fails to rebuild a block from the mempool the node sends a getblocktxn message to learn about the missing transactions. Does requesting for the missing transactions make the ...
2
votes
2answers
197 views

Is selfish mining still an option with compact blocks and FIBRE?

The selfish mining strategy relies on withholding a block to build on it in private. When the honest chain publishes a block, the attacker immediately broadcasts its own withheld block in order to try ...
9
votes
1answer
246 views

Block messages with transactions hashes instead of full transactions

When a bitcoin node has the blockchain in sync, most transactions in incoming block messages may have been already received as standalone tx messages before. With a block message with only ...