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Non-custodial wallet vs non-custodial exchange

A non-custodial wallet holds your keys so you can store and send crypto. A non-custodial exchange swaps one asset for another without holding your funds. They do different jobs and often work together.

Last reviewed 2 min read

Wallet
Holds your keys
Exchange
Converts assets
Balance
Exchange keeps none
Seed phrase
Never shared

Two different jobs

A non-custodial wallet is where you keep crypto. You hold the keys, so you control the funds. It stores, sends and receives.

A non-custodial exchange is how you convert one asset into another. It does not keep a balance for you. It takes a deposit for one swap and pays the result to an address you give it.

Side by side

  • Purpose. A wallet stores. An exchange converts.
  • Keys. In a wallet, you hold them. At a non-custodial exchange, you never hand them over.
  • Balance. A wallet shows your holdings. A non-custodial exchange keeps none.
  • Typical use. Hold and send with a wallet, swap with an exchange.

How they work together

A common flow is to send from the wallet you already use, swap, and receive into a wallet you control. The exchange sits in the middle for a few minutes and never holds a lasting balance.

A deposit-address exchange needs no wallet connection: you copy an address and send from your wallet as you would to anyone.

Which do you need?

You need a wallet to hold crypto yourself. You need an exchange when you want a different asset or chain. Sense Swap is the second kind. It is not a wallet, and it never asks for a seed phrase.

Questions

Which is better, a custodial or non-custodial wallet?
A non-custodial wallet gives you control of your keys, and with it, responsibility for backing them up. A custodial wallet is easier to recover but relies on the company holding your funds.
Can I lose my crypto with a non-custodial wallet?
Yes. If you lose your recovery phrase, or share it with someone, the funds can be lost or stolen, and nobody can reset it for you.
Is Sense Swap a wallet?
No. Sense Swap is a swap aggregator. You send from your own wallet and receive to an address you control.