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docs/content/concepts/tokenomics/sui-bridging.mdx

@@ -4,11 +4,94 @@ title: SUI Bridging
 
 Bridging is the process of moving tokens from one blockchain to another. When you use a bridge to move tokens between blockchains that are incompatible, the tokens are "wrapped" by the bridge, which means that they get converted to a derivative token for the target blockchain. You can transfer tokens in from other blockchains to SUI, or transfer SUI tokens out to other blockchains.
 
-Sui supports bridging through [Wormhole Connect](#wormhole-connect) and [Wormhole Portal Bridge](#wormhole-portal-bridge).
+Sui supports bridging through [Sui Bridge](#sui-bridge), [Wormhole Connect](#wormhole-connect), and [Wormhole Portal Bridge](#wormhole-portal-bridge).
+
+## Sui Bridge
+
+Sui Bridge is the native bridge for the Sui network. Sui Bridge is built into the core architecture of the Sui blockchain, which provides optimal integration and operation. Sui Bridge enables the movement of digital assets between the Sui block chain and others, preserving security and maintaining interoperability between diverse ecosystems. Sui Bridge provides secure and efficient transfer of native and wrapped ETH to and from Sui. Sui Bridge leverages the unique capabilities of the Sui network to offer fast transaction speeds, lower transaction costs, and a decentralized architecture.
+
+You can bridge tokens in the official Sui Bridge website: https://bridge.sui.io/.
+
+### Operation and governance
+
+Sui Bridge is operated and governed by Sui network validators, the same set of validators that secure the Sui network. Bridge transfers and other actions require validator signatures with a minimal threshold of voting power.
+
+Similar to the Sui network, all governance related to the Sui Bridge is done through validator voting.
+
+To learn more about how to set up a Sui Bridge Full Node, see [Sui Bridge Validator Node Configuration](../../guides/operator/bridge-node-configuration.mdx).
+
+### Supported chains and tokens
+
+You can transfer supported assets both to and from the Sui network. Sui Bridge supports token bridging between Sui and other networks with the following supported assets:
+
+| Asset | Description |
+| --- | --- |
+| Wrapped Bitcoin |  Tokenized representation of the native cryptocurrency of the Bitcoin network. |
+| Ethereum (ETH) | The native cryptocurrency of the Ethereum network, widely used for transactions and smart contract interactions. |
+| Wrapped Ethereum (WETH) | Tokenized representation of native ETH. |
+| Tether (USDT) | A stablecoin pegged to the US dollar. |
+
+### Package IDs and contract addresses
+
+The following package IDs and addresses are reserved for the Sui Bridge.
+
+| Asset | Address/ID |
+| --- | --- |
+| Sui Bridge package on Sui | [`0xb`](https://suiscan.xyz/mainnet/object/0x000000000000000000000000000000000000000000000000000000000000000b/txs) |
+| Sui Bridge object on Sui | [`0x9`](https://suiscan.xyz/mainnet/object/0x0000000000000000000000000000000000000000000000000000000000000009) |
+| Sui Bridge proxy on Etheruem Mainnet | [`0xda3bD1fE1973470312db04551B65f401Bc8a92fD`](https://etherscan.io/address/0xda3bd1fe1973470312db04551b65f401bc8a92fd) |
+| ETH on Sui | [`0xd0e89b2af5e4910726fbcd8b8dd37bb79b29e5f83f7491bca830e94f7f226d29::eth::ETH`](https://suiscan.xyz/mainnet/coin/0xd0e89b2af5e4910726fbcd8b8dd37bb79b29e5f83f7491bca830e94f7f226d29::eth::ETH/txs) |
+| ETH on Ethereum | Native Ether |
+| WETH on Ethereum | [`0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2`](https://etherscan.io/address/0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2) |
+
+### Source code
+
+The source code for Sui Bridge is open-source and found in the following locations:
+
+- Move: https://github.com/MystenLabs/sui/tree/main/crates/sui-framework/packages/bridge
+- Solidity: https://github.com/MystenLabs/sui/tree/main/bridge/evm
+- Bridged ETH (Move): https://github.com/MystenLabs/sui/tree/main/bridge/move/tokens/eth
+- Bridge Node: https://github.com/MystenLabs/sui/tree/main/crates/sui-bridge
+- Bridge Indexer: https://github.com/MystenLabs/sui/tree/main/crates/sui-bridge-indexer
+
+### Audits
+
+There are two audit reports available for Sui Bridge:
+- [OtterSec](https://github.com/sui-foundation/security-audits/blob/main/docs/Sui_bridge_v1_OtterSec.pdf)
+- [Zellic](https://github.com/sui-foundation/security-audits/blob/main/docs/Sui_Bridge_v1_Zellic.pdf)
+
+### Global limiter {#global-limiter}
+
+A limiter protects the user's funds by constraining the total value of assets leaving Sui Bridge in any 24-hour window. It tracks total value hourly and aggregates values from the previous 24 hours. Therefore, when the limiter cools down, it refreshes every hour.
+
+The limit applies globally and varies per direction. For example, the amount might be different between Ethereum to Sui and Sui to Ethereum.
+
+The limit also impacts the maximal amount of single transfer. In one bridge transfer, you cannot move assets worth more than the limit. The bridge frontend might apply stricter restrictions to protect user assets.
+
+The limit per route is governed by the validator committee through voting.
+
+The global limit is currently $8 million from Ethereum to Sui and $5 million from Sui to Etheruem every 24 hours.
+
+### Asset price
+
+Sui Bridge v1 uses static pricing to calculate limits. The price for ETH is configured at $2,600.00. Namely, bridging one ETH consumes $2,600 USD in limit calculation.
+
+The validator committee governs the pricing through voting. It works together with the global limiter to protect user funds.
+
+### Transfer limit
+
+There is no minimal limit for transfer, but a tiny fraction might be rounded down. Particularly for native Ethereum (ETH) and wrapped Ethereum (WETH) because of reduced precision of eight decimal places, the value of 10.0000000000000001 (W)ETH is rounded down to 10 (W)ETH.
+
+| Token | Minimal value | 
+| --- | --- |
+| ETH | 0.00000001 ETH (eight decimal places of precision) |
+| WETH | 0.00000001 ETH (eight decimal places of precision) |
+
+The maximum limit per transfer is the global limit in USD value. Namely a user cannot claim assets on the destination chain if the USD value is higher than the global limit. See the [Global limiter section](#global-limiter) for details.
 
 ## Wormhole Connect {#wormhole-connect}
 
-Use to bridge tokens from any Wormhole supported chain into Sui and get dropped off with extra Sui to pay gas fees. Developers can also embed the Connect Token Bridge directly into their own websites and dApps.
+Use Wormhole Connect to bridge tokens from any Wormhole supported chain into Sui and get dropped off with extra Sui to pay gas fees. Developers can also embed the Connect Token Bridge directly into their own websites and dApps.
 
 :::tip