Thursday, September 24, 2026 • Socratic Session for Class 3.2: Contract Runtimes & State Machines. Nick Szabo's gas fee incentive solution, Ricardian text-code contracts, Alonzo Church lambda calculus vs. Turing state machines, and stablecoin legal execution.
Class 3.2 traces the direct evolutionary path from traditional contract law to blockchain execution runtimes. We analyze how Nick Szabo solved the validator incentive problem by hard-coding gas fees as programmatic legal consideration, how Ricardian contracts bind prose and code, and why Alonzo Church's lambda calculus demonstrates text as a universal functional interface for computational legal engineering.
Paper contracts serve as static specifications. Smart contracts transform these covenants into active state machines executing state transitions automatically.
Nick Szabo solved the validator incentive problem by embedding gas fees directly into network state transitions, providing programmatic consideration for computational execution.
Alonzo Church's lambda calculus proves that functional expressions operate directly on text strings, establishing language as a universal computational interface for legal engineering.
Centralized stablecoins (USDC) preserve judicial enforcement and freeze functions, whereas bridged tokens (USDCE) rely on L2 bridge contracts restricting traditional court remedies.
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