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CNEWS.dev
Proposedby Canton Foundation

CIP-0112: Universal Wallet Interoperability Protocol

Overview

CIP-0112 establishes a universal wallet interoperability protocol for the Canton Network, defining how wallets from different providers communicate, share transaction signing capabilities, and present consistent user experiences across Canton applications. The proposal specifies wallet discovery mechanisms, standardized connection protocols, transaction signing interfaces, and permission delegation models. CIP-0112 supports both self-custodial and institutional custody wallets, with provisions for multi-signature authorization workflows and hardware security module integration. The protocol also defines standards for wallet-to-dApp communication that preserve Canton's privacy guarantees while enabling seamless user experiences.

Impact on Canton Network

Wallet fragmentation currently creates friction for Canton users who must navigate provider-specific integration patterns. CIP-0112 would enable a unified wallet experience across all Canton applications, critical for both retail adoption and institutional workflow efficiency.

About Canton Network Governance

Canton Improvement Proposals (CIPs) are the formal mechanism for suggesting changes to the Canton Network protocol, standards, and ecosystem processes. Each CIP goes through a lifecycle from Draft to Proposed to Active or Implemented, with community review and validator consensus required for adoption.

The CIP process ensures that protocol changes are carefully considered, widely reviewed, and transparently documented. This governance framework is essential for maintaining Canton's position as the leading institutional blockchain, where predictability and stability are paramount.

Frequently Asked Questions

What problem does CIP-0112 solve?

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CIP-0112 eliminates wallet fragmentation on Canton by defining universal protocols for wallet discovery, connection, transaction signing, and dApp communication across all wallet providers.

Does CIP-0112 support institutional wallets?

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Yes, CIP-0112 explicitly supports institutional custody wallets with provisions for multi-signature authorization, HSM integration, and permission delegation models.

How does CIP-0112 preserve privacy?

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The protocol maintains Canton's privacy guarantees by ensuring wallet-to-dApp communication channels only expose necessary transaction details to authorized parties.