An option is a financial agreement between two parties to trade two assets. One party is given the right, but not the obligation, to complete the swap before a specified termination time. In todays financial markets, an option is considered an asset which can itself be transferred: while an option is active, one party can sell its rights (or obligations) to another. Todays blockchains support simple options in the form of cross-chain atomic swap protocols where one party has the choice whether to complete the swap. The options implemented by these cross-chain protocols, are not, however, transferable. This paper proposes novel distributed protocols for transferable cross-chain options, where both option owners and providers can sell their positions to third parties. The protocol ensures that none of the parties can be cheated, that no unauthorized party can interfere, and that the transfer succeeds if the buyer and seller faithfully follow the protocol.
翻译：一种选择是两个资产交易的两方之间的金融协议。 一方有权在规定的终止期之前完成互换交易,而不是义务。 在今天的金融市场中,一种选择被视为可以自己转让的资产:虽然一种选择是积极的,但一方可以将其权利(或义务)出售给另一方。 今天的链条支持以跨链原子互换协议的形式出现的简单选择,即一方可以选择是否完成互换交易。然而,这些跨链协议所实施的选项是不可转让的。本文提出了可转让的跨链选项新的经销协议,其中选择权所有人和供应商都可以将其地位出售给第三方。协议确保任何当事人都不能被欺骗,任何未经授权的当事人都不能干预,如果买方和卖方忠实遵守协议,转让将成功。
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