The BIP-110 experiment seeks to filter which miners can secure their «Bitcoin»
The measures Luke Dashjr is evaluating to curb profitable miners on the BIP-110 chain show what miner profile he wants to define for his network.
Bitcoin mining works like an unfiltered market of intent. Anyone with compatible hardware can compete for a block, without the protocol asking why they do it.
Luke Dashjr, one of the oldest Bitcoin developers in the ecosystem, decided to break that premise on the new network that split from Bitcoin after the activation of BIP-110—and that Dashjr insists on calling «Bitcoin».
The developer proposes two temporary changes to discourage miners on the BIP-110 chain who operate solely for mining profitability—i.e., who only continue if the revenue they obtain exceeds the cost of energy and hardware:
The first change would extend the coin maturation period—the time that must pass before mined coins can be spent—from 100 to 4,375 blocks, which is equivalent to almost a month of frozen funds.
The second change would reduce the per-block subsidy to zero—the new issuance coins a miner receives when validating a block—during that same period. Miners would only earn transaction fees, with no additional income for processing new blocks.
Both measures are still under discussion within the Bitcoin Knots Discord server, the alternative client to Bitcoin Core that Dashjr maintains and that served as the basis for signaling support for BIP-110—the proposed temporary fork intended to restrict transactions with arbitrary data in Bitcoin.
The developer himself clarified that there are no definitive decisions and that any changes would be temporary.
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