With the recent news about Synapse, I am a little on edge with the safety of my money. I am currently living in France for school, and am hoping to immigrate here permanently. All of my savings is in USD, so I need a way to easily and cheaply convert between USD and EUR, and be able to spend EUR locally. After a ton of research, I decided to move almost all of my banking to Wise. They don't offer traditional banking features like in-person branches or checks, but I didn't use those anyway. I can get a local bank number in any of the many countries they support. The savings account APY is insanely high (higher than I have seen from even the best high yield savings accounts. I have a debit card that allows me to spend directly from any one of my bank account currencies, and auto convert to other supported currencies. And the USD account is insured by FDIC passthrough insurance.

In the thread about the Synapse collapse, people were saying that passthrough FDIC insurance doesn't always mean that the customer's money is actually insured. And apparently some fintech services will just lie about what is covered by FDIC insurance. I am not a lawyer, and I have no idea how to validate Wise's claims about passthrough FDIC insurance.

I was recently able to open a France bank account, which was surprisingly difficult. (To open a bank account you need proof of address, like a cell phone or electricity bill. I don't pay for utilities in my school apartment, and to get a cell phone plan I need a bank account. That was fun to try and navigate.) I have these bank accounts currently: my Wise account with US USD, Belgium EUR, and UK GBP, a US Credit Union account, and a French EUR bank account. My US credit union and French banks give a very low or zero APY, so keeping my money in my Wise accounts is preferable for that reason. But I also can't afford to loose all my savings if Wise collapses. My question is this: Is Wise safe enough for general money storage, or should I use it just for converting between currencies and keeping a small amount for spending? If Wise isn't safe, what about another similar product? I have heard of Revolut, but I didn't do much research since Wise seemed better for my use case.

Now, rationally, I suspect the answer is "Of course!". But I'm looking for general advice, if my fellow Tildesians would be so kind.

This question has arisen while investigating opening a Monzo account. Apparently, you can lock away some money for 12 months and get 5.3% AER interest on it - meaning for every, say, £1,000 I put in, I get £50 back, right?

My question: is that really worth it, in the grand scheme of things? Even if I put in £10,000, I'd be locking myself out of that much money for a grand total of £500. I understand that's a lot to some people (even me), but it hardly seems worth it.

Perhaps there's something I'm missing. Perhaps some bad maths on my part or some other type of interest that I don't know about. All advice is welcome and appreciated!

For me, saving money has been pretty tough but my goal is to maintain a minimum of 4 months pay in the bank in case of hard times. My fiance started her MBA and we have been fortunate that we can pay for it outright instead of adding on top of our loans. In the past year I have gotten a bit into churning and using the rewards to help partially pay for vacations throughout the year which has helped a bunch.

I'm interested to read about any goals we are working towards and also talk about different savings strategies!