For the purposes of this Regulation, the following definitions shall apply:\
1.‘single currency area’ means one or several countries that have the same official currency;\
2.‘custodial wallet’ means a crypto-asset wallet address where a crypto-asset service provider ensures the safekeeping or controlling, on behalf of its client, of crypto-assets or of the means of access to such crypto-assets, where applicable in the form of private cryptographic keys;\
3.‘non-custodial wallet’ means a crypto-asset wallet address where the user controls the means of access to the crypto-assets, where applicable in the form of private cryptographic keys.\