Intents Bridge

NEAR Intents utilizes multichain bridges for cross-chain settlement. Currently the following bridges are supported:

1. Omni Bridge
2. PoA Bridge

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Omni Bridge

The Omni Bridge is the primary bridge solution supporting multiple networks and deposit options.

Supported Networks

• Bitcoin
• Ethereum
• Arbitrum
• Base
• Solana
• TON

Features

• Support for ft_transfer_call() with msg field (active deposit)
• Passive deposit functionality through:
  • NEAR-side smart contract owning deposit addresses
  • Protocol for bridging type correspondence (ft_transfer or ft_transfer_call)
  • Parameter-based derivation paths for deposit addresses

Deposits & Withdrawals

The Omni Bridge handles deposits and withdrawals between other chains and NEAR FTs. For assets not yet supported by Omni Bridge, the PoA Bridge serves as an alternative.

Why Deposits are Required

Users need to deposit funds into NEAR Intents accounts to trade, which differs from traditional AMMs. This design choice is based on:

1. The necessity of bridging external crypto to NEAR
2. Single-transaction atomic settlement benefits
3. Centralized risk comparable to existing NEP-141 tokens

Future migration to a fully sharded architecture will occur once sharded FT standards are developed.

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PoA Bridge

The Proof of Authority (PoA) Bridge provides an alternative solution for transferring assets between blockchain networks and NEAR Intents.

Usage Guide

The PoA Bridge API provides a JSON-RPC interface for managing deposits and withdrawals between supported networks and NEAR Intents. See the official documentation for more details.

1. Check Asset Support: Verify your token is supported
2. Get Deposit Address: Request a deposit address and transfer tokens
3. Monitor Deposits: Track recent deposits via API
4. Manage Withdrawals: Initiate and monitor withdrawals through contract or frontend