EU is working towards requiring banks to provide homeless EU citizens with a bank account. Some countries have already implemented this. https://koronapay.com/

EU is working towards requiring banks to provide homeless EU citizens with a bank account. Some countries have already implemented this. https://koronapay.com/transfers/europe/en/blog/how-to-open-a-bank-account-in-europe/ https://koronapay.com/transfers/europe/en/blog/how-to-open-a... For paper mails some shelters allow for picking up post and in some countries you can get the mail as "Poste Restante" (i.e. pick up at post office).