Spark review

The supported list covers USDC, USDT and PYUSD, a mix of dollar tokens and a major asset. That is a narrower range than bunq Crypto Spain at TAO, ADA and TIA, so anyone wanting long-tail coins should look elsewhere for coverage.

Custody is non custodial, which means the keys stay with the account holder rather than a third party. That removes counterparty risk but also transfers responsibility for key management to the user.

Lock-up terms read Withdraw anytime, so the balance can be moved out whenever the holder decides. There is no fixed term to plan around, which suits short holding periods and stops a yield position from trapping capital for a set schedule.

Spark's savings terms set out Withdraw anytime and non custodial without a fee schedule, so the cost of holding sits in the yield itself rather than a charge. Across the earn category, monthly fees top out at €17.54 and the priciest trades run at 1.49%.

Support channels cover community and help centre, which is self-serve rather than agent-led. A question that needs a person rather than an article will have to go through the community channel, so expect slower answers on account-specific problems.

The provider is Spark.fi Inc., as set out in the terms of use. That name is the starting point for anyone checking contractual terms, though no regulator or licence is named alongside it.

Spark names no regulator, licence or compensation scheme. Custody is non custodial, so the money stays with the holder's own wallet and the deposit protection offered by licensed platforms is not part of the setup.