Coinbase CEO: Unlike Gold, Bitcoin’s 21 Million Supply Cap Cannot Be Changed

TL;DR: Coinbase CEO Brian Armstrong stated that scientific advancements could expand the supply of gold, while Bitcoin’s cap remains unalterable. Market data compiled by Charlie Bilello shows Bitcoin down 7.3% and gold down 7.5% year-to-date in 2026. The decentralized network’s mathematical emission rule is encoded into the base protocol and validated independently by each active full node. Coinbase CEO Brian Armstrong noted this Tuesday that Bitcoin’s 21 million emission limit cannot be altered through technical or scientific developments, drawing a direct contrast with the physical properties and supply dynamics of traditional gold. Creating net-new gold with alchemy is becoming real. The lab grown diamond industry is growing rapidly. But you can’t invent anything that will increase Bitcoin supply. There will only ever be 21M.

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