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Alex Bergeron explains that Arc Labs is expanding beyond the Arc scaling protocol to build Arcade, a smart signer software architecture. Arcade coordinates off-chain transactions and enforces customizable spending policies between clients and servers.
The Arcade Vault prototype separates funds into a spending account and a savings account using two Taproot trees. Alex Bergeron notes it utilizes a 3-of-3 multi-signature scheme with passkeys, allowing time-locked hardware wallet recovery to prevent single-party theft.
To resolve central API vulnerabilities, Arcade launched Intents, a request-for-quote marketplace protocol for Lightning and stablecoin swaps. Alex Bergeron explains this standardizes contracts, enabling wallets to dynamically query multiple service providers instead of relying on a single API.
Alex Bergeron built the Arcade Vault front-end prototype in four to five days using AI tools. He predicts this rapid shift toward vibe coding will trigger an identity crisis for traditional software developers as non-technical builders execute complex designs.
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