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2026-04-26 — MPC 2-of-2 signing (DKLS23)

Hosted MPC 2-of-2 is the signing model at all paid tiers. WalletSuite holds one DKLS23 share, the customer holds the other; both signatures are required for every transaction. No full private key ever exists on either side.
  • New: hosted MPC co-signer (HSM-backed, KMS envelope encryption, M-of-N internal access)
  • Updated: sign_transaction and send_transaction route through MPC
  • Updated: agent tokens carry policy bindings (chain allowlist, expiry, value caps) bound at issuance

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2026-04-16 — Documentation Update

Core Concepts filled with production content:
  • Band Filtering — 4-tier access control model with multi-agent patterns and tool annotations
Use Case Guides added: Resources:
  • Production Checklist — pre-go-live validation across API keys, bands, policies, error handling, monitoring, and security

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2026-04-01 — MCP Server v1.0

Initial public release:
  • 7 read tools: get_balance, get_all_balances, get_price, get_fee_quote, resolve_asset, get_tx_status, get_tx_history
  • 3 prepare tools: prepare_transfer, prepare_serialized_unsigned_tx, prepare_onramp
  • 5 signing tools (MPC 2-of-2): get_wallet_address, sign_transaction, create_wallet, create_custom_policy, create_agent_api_key
  • 1 broadcast tool: send_transaction
  • Policy gates on signing tools
  • stdio and HTTP (stateless/stateful) transport
  • 5 install guides: LangChain, CrewAI, generic MCP runtime (Pydantic AI, Claude Agent SDK), Claude Desktop, Claude Code
  • Non-custodial architecture: WalletSuite holds one DKLS23 share, the customer holds the other, and no full private key ever exists on either side
  • Band filtering with 4 tiers: read, prepare, sign, broadcast
  • Structured error taxonomy with 6 categories and programmatic recovery
  • Multi-chain support for read/prepare operations