If you are using Cash App then you should be aware that cash app is not protected by FSCS. This means if cash app fails or go bust then you may lose all your money held in Cash App Account.

You can check the status of protection for cash app from the following link

https://www.fscs.org.uk/check-your-money-is-protected/

Enter 900846 which FRN for Cash App or Square, their parent organisation in the UK.