Offer-safe Trade of Mutable Objects
summary
Claims a practical solution: Agoric’s Zoe plus an object-capability ledger enforce offer-safety by escrowing purses and issuers so contracts never touch assets, letting auction or vending-contract code run without stealing funds. It implements a two‑phase “ownable” cycle: vacate the mutable object, mint an E‑right invitation (inspectable by issuer identity, installation, call site, details), then redeem to regain an exercisable object. Zoe is live; folding seats and resolvers into ownables is engineering work in progress.
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chapters (9)
- 0:00Introduction
- 4:11Ownership with EITS
- 9:34Vending machine escrow
- 26:36E-rights for money transfer
- 36:49Two-phase OCap/E-rights cycle
- 52:47Offer safety in Zoe
- 1:09:51Upgrade safety in Zoe
- 1:10:13Ownables for mutable objects
- 1:23:15Q&A
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