Mind-boggling stuff like you being responsible for their bugs:
> 24.14. To the extent permitted by applicable law, Revolut is not liable, and you agree not to hold it responsible, for any damages or losses (including, but not limited to, loss of money, goodwill, or reputation, profits, or other intangible losses or any special, indirect, or consequential damages) resulting directly or indirectly from:
> glitches, bugs, errors, or inaccuracies of any kind in the Revolut Services;
> 17.2. If for any reason (including, but not limited to, any technical errors on our behalf or on behalf of our third-party providers) you have a negative balance in your Revolut Electronic Money Account, you agree to immediately Top-Up the required amount to correct the negative balance, such amounts being due without the need for previous notification. If you fail to do so:
Banks are notorious for their terms, but this is taking it to a new level. Move fast, break things, and don't be responsible.
To be fair, I'm not sure how enforceable these clauses are, I find it hard to believe that a judge would side with them if a customer's money suddenly vanish.