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# Custodial vs Non-Custodial in Digital Finance

### Custodial vs Non-Custodial in Digital Finance

When using digital financial services—whether in fintech, digital banking, or **blockchain**—there is an important difference: who actually controls the money. This difference is usually described as **custodial **and **non-custodial**.

**Custodial**

In a custodial system, a company holds custody of the funds and the user accesses them through an account. This is how traditional banks, payment platforms, and centralized exchanges work. Services like PayPal or Wise operate this way: the user can send, receive, or pay, but the company maintains control of the infrastructure and the funds.

**Non-custodial**

In a non-custodial system, the user directly controls access to the funds, usually through private keys. This is common in tools related to **Decentralized Finance**, such as some wallets and protocols. Applications like MetaMask allow users to interact with the network without a company holding custody of the funds.

**Main Difference**

The difference is not only technological, but about control:

* In custodial systems, the user has an account. In non-custodial systems, the user has the keys.
* In custodial systems, the company holds the funds. In non-custodial systems, the user controls access.

It is not that one is better than the other, but rather about understanding how each model works and in which situations each one is used.