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Bitcoin's P2P Network
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What is a bootstrap node?
1 point
A supernode that never goes down
A node that monitors against spam attacks
A node that generates its own peer list from scratch
A node that introduces other nodes into the P2P network
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What is the primary reason why reputation scores in Bitcoin aren't propagated in the P2P network?
1 point
The scores could be stale by the time they are gossiped
Scores could be fabricated by bad actors
Different nodes have different ways of grading a node's reputation
The gossip would create too much noise in the network
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Which of the following are true of Bitcoin's network layer? (Select multiple)
1 point
It bootstraps its peer list by randomly sampling IPs that might be running the Bitcoin software
It takes multiple seconds for a message to propagate to most of the network
It is impossible for a passive observer to deobfuscate Bitcoin traffic patterns
It is eventually consistent; not all nodes see the same state at the same time
What is the point of "diffusion" in Bitcoin's gossip protocol? (Select multiple)
1 point
It obscures the P2P message graph
It randomizes when messages arrive across the network
It lowers the network load during times of congestion
It helps normalizes bandwidth consumption across the network
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