[LT-06]
Cryptocurrency as Personal Data
A Bitcoin wallet address is a string of 26–35 alphanumeric characters in Base58Check encoding, beginning with "1", "3", or "bc1". An Ethereum address is "0x" followed by 40 hexadecimal characters. These addresses are pseudonymous — they do not directly identify individuals — but under GDPR, pseudonymous data that can be linked to an individual through additional processing is personal data.
A cryptocurrency exchange that holds KYC data (linking wallet addres...