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Bitcoin is a decentralized digital currency and payment system built on blockchain. It is not a stock, loyalty point, or guaranteed-profit asset.

Bitcoin usually trades around the clock, but your ability to buy or sell at any moment also depends on funding, account checks, and platform rules.

When Bitcoin reaches 21 million, the network does not stop. New coin issuance ends, and miner revenue depends more on transaction fees.

When Bitcoin reaches 21 million, new coin issuance ends, but the network keeps running and miners rely more on transaction fees.

Bitcoin cannot simply go past 21 million. The cap is part of the protocol; unit splits, forks, and platform balances do not change BTC supply.

Bitcoin is capped at 21 million because its issuance schedule was built to be scarce, predictable, and resistant to arbitrary expansion.

Bitcoin is capped at 21 million coins because its issuance schedule halves over time, creating a fixed supply path that trends toward a hard limit.

What is $20 in bitcoin? It has no fixed answer. The amount depends on the live BTC price and platform fees at the time you buy.