What Bitcoin is
Bitcoin is a decentralized digital currency and a public network that launched in 2009 under the name Satoshi Nakamoto. There is no central issuer. Transfers are recorded on a public ledger — the blockchain — that a network of miners extends by finding valid blocks.
The unit is BTC. You can hold a fraction of a coin. The snapshot above is a market-data quote when one is available. It is not an offer, not a forecast, and not a BitBuddy price you can “hit.”
Why supply is described as capped
Bitcoin’s issuance schedule is written into the protocol. New coins arrive as a block reward that halves on a fixed cadence. The design target is 21 million coins. That is a rule about issuance, not a statement that the market price must rise, and not a promise that the rule can never be debated. Treat “digital gold” slogans as marketing, not as a lesson.
Market cap is price times coins treated as in circulation — a size gauge. 24-hour change is short-term movement. Neither number tells you what to do.
Why people study it
- Decentralization — no single issuer or intermediary clears every payment.
- Public record — anyone can inspect the same ledger (privacy is still limited; amounts and addresses are visible).
- Access — a connection and keys are enough to receive a payment. That is also how theft works if keys leak.
- Self-custody — users can hold keys without a bank. This site only paper-trades.
- Fees and delays — on-chain payments compete for block space. They are not instant or free, and they are not reversible like a card dispute.
How this snapshot fits the lesson
The price tile is a cached market quote when one is available. It can be stale by a few minutes. It is not a bid, not an ask, and not a BitBuddy inventory. If the feed is down you will see placeholders. That empty state is more honest than a made-up number.
People screenshot a price and treat it as a story about the future. This page will not do that. A number moving over 24 hours is a description of the last day, not a reason to open a real account.
What Bitcoin is not
It is not legal tender in most places. It is not a company with a CEO who can unwind a mistaken send. It is not “anonymous” in the casual sense — the ledger is public. It is not an investment product sold by BitBuddy. A rising number on a chart is not a reason, by itself, to use real money.
The next lesson, how Bitcoin transactions work, stays high level: addresses, fees, and confirmations. After that you will look at the teaching chain and the mining game.
Paper trading only. Not financial advice. If you later open a real account somewhere else, that decision is separate — affiliate disclosure.
Check in, then see a payment
A short quiz is below. Next on the catalog: how a send is built. Or open the transaction lab if you want the toy version first.