Bram Cohen: Data Structures for Scaling Bitcoin

Bram Cohen (https://twitter.com/bramcohen), author of the BitTorrent protocol, will speak about data structures for scaling Bitcoin.

Blockchain growth results in challenges for scaling nodes: Downloading the complete blockchain, running a lightweight node, and validating transactions in memory all become problematically expensive. Two approaches to lessening load will be presented: A transaction bitfield so transaction validation can be done with no disk access, and a very optimized general purpose Merkle trie to allow nodes to be pruned and allow the myriad other use cases of Merkle tries.

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