January 2026
2026.01.12
Documentation updates
Complete rewrite of the CCTP documentation to focus on what you can build with CCTP. Emphasized Bridge Kit as the easiest and preferred way to build with CCTP. Removed or reorganized sections to make the documentation more focused and easier to navigate. Updated the information architecture of the CCTP topics to be focused on the developer experience. Added functional Solana examples.The following topics were added or updated:- CCTP Overview
- Supported Blockchains and Domains
- Finality and Block Confirmations
- Transfer USDC from Ethereum to Arc
- Transfer USDC from Solana to Arc
- Tranfer Fees
- Fast Transfer Allowance
- Get Transfer Fee
- Get Fast Transfer Allowance
- Troubleshoot Transfers
- Resolve Stuck Attestation
- Retry Failed Mint
- Technical Guide
- Contract Addresses
- Attestation Verification
- Contract Interfaces
- Solana Programs
- Starknet Contracts
2026.01.08
Updated the table of CCTP fees to reflect the new
finality-indexed pricing model.