Crypto Basics
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Custodial vs Non-Custodial Wallets: Which Should You Use?
Feb 10, 20266 min
A clear comparison of custodial and non-custodial wallets, plus how to choose the right option.
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What Is Bitcoin? A Clear Guide to BTC in 2026
Learn what Bitcoin is, how it works, why it matters, plus practical steps for using BTC safely.
Bitcoin is a digital currency that runs on a public blockchain. It lets people send value without a bank or payment processor. Supply is capped at 21 million, which creates a hard scarcity model. Transactions are verified by a global network that anyone can join.
What Bitcoin Is
Bitcoin is money that lives on the internet. It is not issued by a company or government. Ownership is tracked by private keys which control where coins can move. If you control the keys, you control the funds.
BTC balances live on the blockchain, not inside an app. Wallets store credentials, not coins. That distinction explains why self custody matters and why lost keys mean lost access.
How the Network Works
Bitcoin uses proof of work to secure transactions. Miners validate blocks which are added to the blockchain. The network adjusts mining difficulty to keep block times steady.
Each block bundles many transactions. Once confirmed, those transfers are effectively final. The tradeoff is energy use, yet the benefit is a neutral network with no single operator.
Why People Use Bitcoin
Some use BTC for payments or transfers. Others see it as a long term store of value. It also acts as a settlement asset across exchanges and trading platforms.
Use cases vary by region. In unstable currencies, BTC can serve as a savings tool. For traders, it is often a base asset used to move value between venues.
If you are ready to buy, start with trusted on-ramps on our exchange reviews page. For casinos that accept crypto, see crypto casino reviews.
Risks to Know
Bitcoin is volatile and transactions are final. Fees can spike during high demand. Security depends on how you store your keys.
Price swings are part of the asset. If you need short term liquidity, size your exposure carefully. Use risk limits that fit your budget.
Getting Started Safely
Use a secure wallet and enable strong account protection. We track wallet tools and security products under Tools. For account verification questions, read KYC and verification guides.
Start small, do a test transfer, then scale. This habit prevents most first time mistakes.
Quick Facts
| Launch year | 2009 |
| Supply cap | 21 million BTC |
| Consensus | Proof of work |
| Primary use cases | Payments, settlement, store of value |
| Main risks | Volatility, custody mistakes, fee spikes |
Key Takeaways
- Bitcoin is a decentralized digital currency with a fixed supply.
- Security depends on how you hold keys and protect backups.
- Fees and confirmation time change based on network demand.
Sources and Further Reading
FAQ
What is Bitcoin?
Bitcoin is a decentralized digital currency that runs on a public blockchain with a fixed supply of 21 million coins.
How is Bitcoin secured?
Bitcoin uses proof of work mining and cryptography to validate transactions and protect the ledger.
Can Bitcoin transactions be reversed?
No. Once confirmed on the blockchain, Bitcoin transactions are final.
Is Bitcoin a good store of value?
Many users view BTC as a long term store of value, but prices are volatile.
How do I store Bitcoin safely?
Store BTC in a wallet you control and protect your backup phrase from loss or theft.