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blocksonly mode - how to reduce bandwidth usage by 88%

Running a Bitcoin node is the healthiest way to contribute to the Bitcoin Network but in the past couple of years it has become very expensive to run one both in storage and bandwidth.

A process called blocksonly mode was introduced in Bitcoin 0.12 with the aim of helping Bitcoin Node owners save a hefty amount of bandwidth and still contribute to the network. blocksonly mode allows nodes to stop requesting, relaying and listening for transactions until they are bundled up in a block.