A public address used for receiving cryptocurrency payments
Public keys can be shared without much risking the funds and should be the only type of key you reveal or give to anyone.
Although there is no risk to losing funds, if a public key is re-used multiple times they can put the holders privacy at risk. As such, it's a good idea to use wallets which always use new keys.
At the bottom of the page are 3 public keys (addresses) for wallets we control on each of the main blockchains. Anyone can send us donations through them. 😉😉