No, you can’t directly contact someone using only their crypto wallet address. While wallet addresses are public and allow anyone to view transaction histories on the blockchain, they do not ...

If people who buy cryptocurrencies intended only to hold on to them as speculative investments, there'd be no real need for crypto wallets. Exchanges and online brokerages that convert dollars to, say ...

One reason the Google Wallet app may not work is that it's out of date or updates have been disabled. Check whether updating ...