First Electronic Cash Payment (DigiCash)
The first documented digital currency payment is executed using David Chaum's eCash system at the WWW conference.
On May 27, 1994, at the First International Conference on the World-Wide Web in Geneva, a historic milestone occurred: the first electronic cash payment over a computer network. Using David Chaum's DigiCash system (branded as eCash), participants transferred digital coins from the United States to Switzerland. This was not a credit card authorization or a bank transfer instruction; it was the movement of cryptographic tokens representing value. The system utilized Chaum's blind signature technology to ensure that the payments were anonymous—the bank could verify the coins were valid but could not trace who spent them.
Following this demonstration, Mark Twain Bank in St. Louis (USA) launched a commercial trial in October 1995, allowing customers to withdraw "Cyberbucks" to their hard drives and spend them at participating merchants. This was the high-water mark for centralized digital cash. While technologically functional, DigiCash failed to gain mass adoption due to the friction of converting fiat currency, the reluctance of banks to adopt privacy-preserving tech, and the "chicken and egg" problem of merchant acceptance. The company declared bankruptcy in 1998.
However, the experiment proved that internet-native money was possible. It trained a generation of cryptographers (including Nick Szabo) in the practical challenges of digital currency. The DigiCash experiment provided the first proof-of-concept for anonymous electronic payments, but its ultimate failure demonstrated that a successful digital currency must be decentralized to avoid reliance on risk-averse banking partners and single points of failure.
Key Sources:
• David Chaum: eCash History
• NYT: Mark Twain Bancshares to Test Electronic Money (1995)
• Nakamoto Institute: History of Digital Cash