Most people who buy Bitcoin for the first time leave it on the exchange where they bought it. This is understandable. The balance is right there on the screen, it feels accessible, and moving it somewhere else requires steps that are not immediately obvious. What is less obvious is that leaving Bitcoin on an exchange means the exchange holds it, not you.

Self-custody is one of those terms that gets used constantly in Bitcoin conversations without ever being fully explained. It sounds technical. It implies a level of expertise that puts off newcomers. In reality, it describes a simple and important idea: holding your own Bitcoin, secured by credentials only you possess, without any intermediary between you and your funds.

The term non-custodial appears throughout Bitcoin content without always being explained. It sounds technical. It implies complexity. In practice, it describes a straightforward and important distinction: in a non-custodial wallet, you are the only one who controls your Bitcoin.

Bitcoin's original design is brilliant for security and decentralisation. It is less suited to speed. A standard on-chain Bitcoin transaction requires miners to confirm it on the blockchain, a process that takes an average of ten minutes under normal conditions and longer during periods of congestion. For sending money to a family member abroad or making an everyday payment, ten minutes is not fast enough, and the fee attached to that confirmation is often disproportionate to the amount being sent.