A CD makes leaving early expensive. Apsis makes it impossible.
They look like the same product — money set aside for a fixed term — but they solve different problems, and only one of them is FDIC insured. If you're choosing between them, the deciding question probably isn't the rate.
Side by side
| Certificate of deposit | Apsis | |
|---|---|---|
| Can you get the money early? | Yes — pay an early-withdrawal penalty, typically a few months of interest. | No. There is no penalty because there is no mechanism. |
| Who enforces the term? | The bank, as a matter of policy and contract. | A contract on a public blockchain, with no override role. |
| Deposit insurance | FDIC insured up to applicable limits at an insured bank. | None. USDC is not a bank deposit and is not FDIC insured. |
| Rate | Usually fixed for the full term, known upfront. | Variable. Can fall during the term, including to near zero. |
| Minimum | Often several hundred to a few thousand dollars. | No minimum. |
| What it's good for | Protecting a known return on money you're confident you won't need. | Protecting money from yourself when a penalty wouldn't stop you. |
A penalty is a price, not a barrier
The early-withdrawal penalty on a CD is designed to make breaking the term irrational. For most savers that works — losing a few months of interest is enough to make you think twice, close the tab, and leave the money where it is.
It stops working in the exact situation where a commitment device is most needed. If you are trying to stop yourself doing something in a moment when you are not thinking clearly, a cost you can simply decide to accept is not a constraint. It converts “I can't” into “I'd rather not”, and at three in the morning those are very different sentences. A CD tells you the price of leaving. Apsis has no door.
Fixed versus variable
A CD's headline advantage is certainty: you know the rate when you open it and the bank is contractually bound to it. Apsis cannot offer that. Interest comes from on-chain lending markets where rates move continuously, so the number you see at the start is an illustration of the mechanism rather than a commitment. It can be higher than a CD's. It can also be lower, and it can fall to near zero during your term.
If your reason for locking money is to maximise a known return, that uncertainty is a straightforward argument against Apsis and you should take it seriously. If your reason is that you don't trust yourself with the balance, the rate is the secondary consideration and the enforceability is the primary one.
Which one you actually want
- Choose a CD if you want insured principal and a guaranteed rate, and a penalty is enough to keep you out.
- Choose Apsis if a penalty has failed to keep you out before, and having the money be genuinely unreachable is the point rather than a side effect.
- Choose neither for money you might need. Both tie up funds, and Apsis does so absolutely. An accessible emergency fund comes first in every case.
A term with no exception path.
Apsis is opening access soon. Join the waitlist and we'll email you the moment it's live.