Where is Bitcoin stored?

Bitcoin is represented by unspent transaction outputs on the ledger. A wallet manages keys that can satisfy the conditions required to spend those outputs.

Does a private key mean a transaction cannot be reversed?

A valid confirmed transaction is generally difficult to reverse at the protocol layer, but that does not prevent theft, mistaken addresses, custodial failures or scams.

Does the halving guarantee a price increase?

No. Halvings are an issuance-schedule rule. Price is not a protocol guarantee and depends on many external factors.

How many confirmations are enough?

It depends on the value, threat model and service policy. More confirmations generally reduce reorganization risk but do not solve address or custody mistakes.

Bitcoin Fundamentals: Transactions, Mining, Supply and Self-Custody

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Fundamental Analysis

3 min

Bitcoin Fundamentals: Transactions, Mining, Supply and Self-Custody

A source-backed introduction to the Bitcoin protocol: UTXOs, signatures, proof of work, confirmations, issuance and the practical limits of holding BTC.

CryptoLV EditorialEditorial team

Updated August 13, 2026·3 min read

Track: Foundations·Lesson 4/19View track

#bitcoin #BTC #proof of work #transactions #self custody

Bitcoin is a ledger of spendable outputs
Keys, addresses and wallets
How a transaction works
Mining and proof of work
Supply and halving
Confirmations and finality
Bitcoin is not automatically private or risk-free
First-use checklist
Key takeaways

Review and sources

Reviewed 2026-08-13 by CryptoLV Editorial. Next review: 2026-11-13.

Bitcoin whitepaper opens in a new tab
Supports: Peer-to-peer electronic cash, proof of work, transaction ordering and the majority-hashpower security assumption.
Bitcoin developer guide: transactions opens in a new tab
Supports: UTXO inputs/outputs, signature authorization and independent transaction validation.
Bitcoin developer guide: blockchain opens in a new tab
Supports: Block structure, proof of work and confirmations are protocol mechanics.
CFTC digital assets opens in a new tab
Supports: Digital-asset market risks require independent review rather than price narratives.

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CryptoLV EditorialEditorial team

CryptoLV editorial content is reviewed against the linked primary sources. Check the source section for each guide's scope, reviewer, and next review date.

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