DI Networks

IU2U Token

The IU2U token is the native cross-chain token of the IU2U Protocol, designed to facilitate seamless value transfer and serve as a medium of exchange across multiple blockchain networks.

Token Overview

IU2U tokens are 1:1 backed by U2U (U2U Chain's native token) and serve as the protocol's native asset for:

  • Cross-chain token transfers

  • DEX aggregation operations

  • Gas fee payments in gasless transactions

  • Protocol governance and staking

Technical Specifications

Contract Details

// Token Information
Name: IU2U Token
Symbol: IU2U
Decimals: 18
Total Supply: Dynamic (minted/burned based on bridging)
Standard: ERC20 with cross-chain extensions

Key Features

  1. Cross-Chain Native: Deployed on multiple chains with unified balances

  2. Burnable/Mintable: Supports cross-chain operations through burn/mint mechanisms

  3. Gasless Support: Integrated with meta-transaction capabilities

  4. Multi-signature Security: Relayer network validation for cross-chain operations

Token Economics

Supply Mechanism

  1. Minting: IU2U tokens are minted when U2U is deposited into the protocol

  2. Burning: IU2U tokens are burned when withdrawing to U2U

  3. Cross-Chain: Tokens are burned on source chain and minted on destination chain

Backing Mechanism

  • 1:1 U2U Backing: Every IU2U token is backed by 1 U2U token

  • Reserve Verification: Smart contracts ensure proper backing at all times

  • Audit Trail: All mint/burn operations are transparently recorded on-chain

Cross-Chain Operations

Bridge Mechanism

The IU2U token uses a sophisticated bridge mechanism:

  1. Lock & Mint: On non-native chains, U2U is locked and IU2U is minted

  2. Burn & Release: When bridging back, IU2U is burned and U2U is released

  3. Relayer Validation: Multi-signature relayer network validates all operations

Supported Chains

Chain
Network ID
IU2U Address
Status

U2U Nebulas Testnet

2484

0x2551f9E86a20bf4627332A053BEE14DA623d1007

Native

U2U Solaris Mainnet

39

0xA3A350214b699578bF9df1Eeb743ab7C139119d6

Native

Ethereum

1

0x...

Deployed

BSC

56

0x365235b4ea2F5439f27b10f746C52B0B47c33761

Deployed

Polygon

137

0x9649a304bD0cd3c4dbe72116199990df06d87329

Deployed

Base

8453

0xF69C5FB9359a4641469cd457412C7086fd32041D

Deployed

Arbitrum

42161

0x48A4C62Af369D37c7411AcB2aF59c87E0A7a0983

Deployed

Optimism

10

0x5814C4a96532618c31deb231bFdEFE443f8474b8

Deployed

Avalanche

43114

0x9E5e98FFaD3F779Ed3459631694788E38B822261`

Deployed

Smart Contract Architecture

Core Functions

// Minting (Cross-chain transfers in)
function mint(address to, uint256 amount) external onlyRelayer

// Burning (Cross-chain transfers out)
function burn(uint256 amount) external

// Cross-chain call with token transfer
function callContractWithToken(
    string memory destinationChain,
    string memory contractAddress,
    bytes memory payload,
    string memory symbol,
    uint256 amount
) external

Security Features

  1. Multi-signature Relayers: Requires multiple relayer signatures for operations

  2. Command Validation: All cross-chain commands are cryptographically verified

  3. Replay Protection: Prevents duplicate transaction execution

  4. Rate Limiting: Configurable limits on large transfers

Integration Guide

For DApp Developers

// Get IU2U token contract
const iu2u = new ethers.Contract(IU2U_ADDRESS, IU2U_ABI, signer);

// Transfer tokens cross-chain
await iu2u.callContractWithToken(
    "ethereum",           // destination chain
    "0x...",             // destination contract
    "0x...",             // payload
    "IU2U",              // token symbol
    ethers.parseEther("100") // amount
);

For DEX Integration

// Check IU2U balance
const balance = await iu2u.balanceOf(userAddress);

// Approve for DEX trading
await iu2u.approve(dexAddress, amount);

// Use in DEX aggregation
await aggregator.swapExactTokensForTokens(
    amountIn,
    amountOutMin,
    [IU2U_ADDRESS, tokenOut],
    recipient,
    deadline
);

Use Cases

1. Cross-Chain Arbitrage

Traders can use IU2U to:

  • Identify price differences across chains

  • Transfer funds quickly between DEXes

  • Execute arbitrage strategies with minimal slippage

2. Multi-Chain DeFi

DeFi protocols can integrate IU2U to:

  • Accept deposits from any supported chain

  • Provide unified liquidity across chains

  • Enable cross-chain yield farming

3. Payment Infrastructure

Merchants can use IU2U for:

  • Cross-border payments

  • Multi-chain invoicing

  • Gasless transactions for users

Security Considerations

Risk Factors

  1. Bridge Security: Cross-chain operations depend on relayer network security

  2. Smart Contract Risk: Standard smart contract vulnerabilities apply

  3. Chain-Specific Risks: Each blockchain has inherent risks

Mitigation Strategies

  1. Multi-signature Validation: No single point of failure in relayer network

  2. Formal Verification: Core contracts undergo formal verification

  3. Bug Bounty Program: Active security researcher engagement

  4. Regular Audits: Quarterly security audits by leading firms

Governance

Token Voting Rights

IU2U holders can participate in:

  • Protocol parameter updates

  • New chain integrations

  • Relayer network changes

  • Fee structure modifications

Proposal Process

  1. Proposal Submission: Community members submit proposals

  2. Discussion Period: 7-day community discussion

  3. Voting Period: 3-day token holder voting

  4. Implementation: Successful proposals are implemented

Roadmap

Short Term (Q3-Q4 2025)

Medium Term (Q1-Q2 2026)

Long Term (Q3 2026 ~)

Resources

PreviousProtocol ArchitectureNextCross-Chain Architecture

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