A charging system for quickly and securely performing charging operations of electric vehicles includes at least one electric vehicle, at least one power source, and at least one smart contract. The at least one electric vehicle includes at least one electrical energy store. The at least one power source is configured to charge the energy store. The charging parameters for a charging operation of the electrical energy store are negotiable between the electric vehicle and the power source. The negotiation of the charging parameters comprises determining a charging requirement of the electrical energy store by means of the electric vehicle. The charging operation of the electrical energy store is performable with the aid of a smart contract.
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