What is Bitcoin’s MiniSketch Protocol? Reducing Node Bandwidth Requirements
Brian Curran's original article for blockonomi.com reduced by 48%
Standard full nodes connect with 8 peers, and transaction relays account for a vast portion of the bandwidth required for managing a full node. Reducing the burden on full node operators is a prudent long-term venture and is the focus of several improvements to Bitcoin, including MiniSketch. MiniSketch is designed to enhance the set reconciliation process by presenting a more efficient mechanism for node mempools to sync and pass only necessary data between them rather than the entire data sets.
According to Maxwell in the Bitcoin Magazine piece, MiniSketch could allow for a potential reduction in node transaction relay overhead by 40X, which is what their simulations indicated. The diminished bandwidth burden per node would also enable nodes to connect with more peers than usual - such as 16 rather than 8. Notably, MiniSketch is also optional for node operators as it is not part of Bitcoin's consensus requiring nodes to upgrade to the latest core specification.
The overall advantages of MiniSketch are compelling for node operators as it lowers the barrier to operating a full node and makes it more efficient.
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CN [too long; didn’t read]
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