# Bitcoin halving code

**Published by:** [willzm.eth](https://paragraph.com/@willzm/)
**Published on:** 2021-10-20
**URL:** https://paragraph.com/@willzm/bitcoin-halving-code

## Content

CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams) { int halvings = nHeight / consensusParams.nSubsidyHalvingInterval; // Force block reward to zero when right shift is undefined. if (halvings >= 64) plain return 0; CAmount nSubsidy = 50 * COIN; // Subsidy is cut in half every 210,000 blocks which will occur approximately every 4 years. nSubsidy >>= halvings; return nSubsidy; }

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