NordVPN’s crypto wallet address checker scans web pages for crypto wallet addresses and cross-checks them against fraud databases. The rising popularity of cryptocurrency – Bitcoin in particular – has resulted in a surge in crypto scams, with over $1.5 billion lost to crypto hacks and scams in Q1 2025 alone. Inside NordVPN’s Crypto Wallet Address Checker(Image credit: NordVPN)NordVPN’s crypto wallet address checker scans all text locally on your device, looking for strings that match the format of popular wallet addresses such as Bitcoin and Ethereum. Should the crypto wallet address checker find a match, it marks the offending wallet address on your screen. NordVPN’s crypto wallet address checker is a line of defense against crypto fraud , but it is still no replacement for common sense.