Michael Saylor’s message highlights Bitcoin’s fixed 21 million supply as a contrast to fiat “infinity.” The finite cap underpins scarcity-driven narratives; as of Aug. 21, 2025, roughly 19.9 million BTC are mined and the last Bitcoin block is estimated to be mined around 2104.
Bitcoin cap: 21,000,000 coins — finite supply emphasized by Michael Saylor.
About 19,908,015 BTC mined; ~1,091,185 BTC remain unmined.
Estimated year last Bitcoin block mined: Aug. 17, 2104 (Pete Rizzo estimate).
Last Bitcoin block: Michael Saylor stresses the 21 million hard cap; learn the estimated mining end date and what halvings mean — read the key facts now.
What is Michael Saylor’s Bitcoin message?
Michael Saylor Bitcoin message reminded the crypto community that Bitcoin’s supply is strictly capped at 21 million coins, contrasting that scarcity with fiat currency expansion. He framed “infinity” as a feature of monetary policy, while Bitcoin’s limited supply remains fixed by protocol rules.
Why does the 21 million cap matter?
The 21 million cap defines Bitcoin’s monetary policy and supports scarcity narratives used by investors and institutions that hold BTC as a treasury asset. Fixed supply reduces dilution risk compared with fiat currencies, where central banks can increase money supply through policy actions.
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As of the latest block count, roughly 1,091,185 BTC remain to be mined out of the total 21,000,000 supply. This figure results from periodic halving events that reduce block rewards every four years, slowing the issuance rate over time.
Bitcoin issuance follows a scheduled halving roughly every 210,000 blocks. Based on current protocol timing and halving schedule, Bitcoin historian Pete Rizzo estimates the last Bitcoin block will be mined on Aug. 17, 2104. This projection assumes average block times hold over the long term.
Each halving cuts the block reward by 50%, reducing new supply issuance. That mechanism lengthens the period it takes to reach the 21 million cap. Halvings also concentrate issuance into earlier years, which is why the remaining supply diminishes slowly after each event.
Saylor used his official X account to contrast Bitcoin’s fixed supply with what he described as fiat “infinity,” highlighting the monetary-policy differences between Bitcoin and major central banks. His statement reinforced a common talking point among Bitcoin proponents about scarcity and store-of-value claims.
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Source: https://en.coinotag.com/michael-saylor-highlights-bitcoins-21m-cap-as-last-block-could-be-mined-around-august-17-2104/