F-coin — Coin tossing

F-coin (Coin tossing) is part of Secret Sharing, Threshold Cryptography, MPC in the UC functionality encyclopedia. Status: a canonical, well-established UC functionality.

With guaranteed output delivery, coin tossing is unrealizable for two parties — the abort variant is the one actually realized.

References:

• Damgård and Lunemann. Quantum-secure coin-flipping and applications. In Advances in Cryptology – ASIACRYPT 2009, 2009.
• Blum. Coin flipping by telephone. In IEEE Spring COMPCON, pages 133–137, 1982.