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What is BTC?

Bitcoin is a digital currency that works without banks or governments. It lets people send money directly to each other using blockchain technology, which keeps transactions secure and transparent. There will only ever be 21 million Bitcoin coins, making it a limited and valuable asset.

  1. Decentralized currency – No middlemen like banks or governments involved.
  2. Blockchain backbone – All transactions are recorded on a public, unchangeable ledger.
  3. Scarce digital asset – A fixed supply helps maintain its value.

Deep Dive

1. Purpose & Value Proposition

Bitcoin was created in 2009 by an unknown person or group called Satoshi Nakamoto. It was designed to reduce reliance on traditional banks and financial systems. Bitcoin allows people to send money anywhere in the world quickly and with lower fees, without needing approval from any third party. Its limited supply also protects against inflation, meaning it can hold value over time (CoinMarketCap).

2. Technology & Architecture

Bitcoin operates on a blockchain, which is like a digital ledger shared across many computers worldwide. Transactions are confirmed through a process called Proof-of-Work (PoW), where miners use powerful computers to solve complex puzzles. This process secures the network and rewards miners with new Bitcoin. Because the blockchain is public and tamper-proof, it’s very difficult to cheat or change past transactions.

3. Tokenomics & Governance

There will only ever be 21 million BTC. As of October 2025, about 19.9 million have already been mined. New Bitcoin is created as a reward for miners, but this reward gets cut in half roughly every four years to keep Bitcoin scarce. Decisions about Bitcoin’s future are made collectively by users, developers, and miners, so no single group controls it.

Conclusion

Bitcoin combines decentralized control, strong security, and a limited supply to serve as a digital currency that resists censorship and inflation. As more people use it, it will be interesting to see how Bitcoin fits alongside traditional money systems and new blockchain technologies.


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