*`recipient.txt`: Key to encrypt messages with [age](https://github.com/FiloSottile/age), [rage](https://github.com/str4d/rage) or [pyrage](https://pypi.org/project/pyrage/). You may assume that the PoolPayPi knows the corresponding private key.
*`poolpaypi.age-public`: Key to encrypt messages with [age](https://github.com/FiloSottile/age), [rage](https://github.com/str4d/rage) or [pyrage](https://pypi.org/project/pyrage/). You may assume that the PoolPayPi knows the corresponding private key.
*`jakob.minisign-public`: Key to verify message signatures with [minisign](https://jedisct1.github.io/minisign/) or [py-minisign](https://pypi.org/project/py-minisign/). You may assume that Jakob knows the corresponding private key.
