National Savings have announced that they will no longer be sending you a warrant through the post for your Premium Bond winnings from March next year. If this affects you, you may need to take some action .....
https://www.bbc.co.uk/news/business-54189844
In order to continue receiving prizes, you will have to register on-line with them and provide your bank and contact details if you want to be paid; the other option, of course, is telling them to reinvest your winnings.
This enforced drive on-line is all very well and hunky-dory - until Russia or China crashes our internet system .....