Clear DefinitionsProgrammable Wallet
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Pronunciation
[proh-gram-uh-buhl woll-it]
Analogy
A programmable wallet is like a smart safe that enforces programmable rules (time locks, multi‑approval) before releasing funds.
Definition
A wallet that embeds custom smart‑contract logic—such as spending rules, multisig, or automated transfers—beyond simple key‑based signing.
Key Points Intro
Programmable wallets enhance security and automation through:
Key Points
Custom policies: Time locks, multisig thresholds, spending limits.
Smart‑contract based: Logic lives on‑chain for trustlessness.
Upgradability: Rules can be updated via governance.
Automation: Supports meta‑transactions and scheduled payments.
Example
A Gnosis Safe contract requires 2‑of‑3 owner signatures for any withdrawal and can auto‑pay recurring bills via a cron‑like scheduler.
Technical Deep Dive
Programmable wallets deploy a proxy contract with owner list and modules. Modules implement `execTransaction` with policy checks. The wallet’s `fallback` routes calls through the module registry enabling dynamic extension without redeploying core logic.
Security Warning
Caveat
On‑chain logic increases gas costs for operations compared to simple EOA wallets.
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