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All Faculty Scholarship

2020

University of Pennsylvania Carey Law School

Blockchain

Physical Sciences and Mathematics

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Full-Text Articles in Law

Transactional Scripts In Contract Stacks, Shaanan Cohney, David A. Hoffman Jan 2020

Transactional Scripts In Contract Stacks, Shaanan Cohney, David A. Hoffman

All Faculty Scholarship

Deals accomplished through software persistently residing on computer networks—sometimes called smart contracts, but better termed transactional scripts—embody a potentially revolutionary contracting innovation. Ours is the first precise account in the legal literature of how such scripts are created, and when they produce errors of legal significance.

Scripts’ most celebrated use case is for transactions operating exclusively on public, permissionless, blockchains: such exchanges eliminate the need for trusted intermediaries and seem to permit parties to commit ex ante to automated performance. But public transactional scripts are costly both to develop and execute, with significant fees imposed for data storage. Worse, bugs …