DEVELOPER DOCUMENTATION

Helix Chain

A public EVM-compatible Proof-of-Stake blockchain with 6-second block times, a full DeFi ecosystem, and zero-cost gas for developers.

8088

Chain ID

Block Time

Validators

Network Details

Everything you need to connect to Helix Chain.

Network Name	Helix Chain
Chain ID	`8088` (hex: `0x1F98`)
Currency Symbol	HLX
Decimals	18
RPC URL	`https://rpc.thehelixchain.xyz`
WebSocket URL	`wss://ws.thehelixchain.xyz`
Block Explorer	explorer.thehelixchain.xyz
Consensus	Proof of Stake (Prysm Beacon Chain)
EVM Compatible	Yes (Solidity, Vyper, etc.)
EIP Support	EIP-155, EIP-1559, EIP-2930, EIP-4844

Add to MetaMask

Click the button below to add Helix Chain to your MetaMask wallet automatically.

Or add manually using the network details above.

JavaScript

// Programmatically add Helix Chain to MetaMask
await window.ethereum.request({
  method: 'wallet_addEthereumChain',
  params: [{
    chainId: '0x1F98',
    chainName: 'Helix Chain',
    nativeCurrency: { name: 'HLX', symbol: 'HLX', decimals: 18 },
    rpcUrls: ['https://rpc.thehelixchain.xyz'],
    blockExplorerUrls: ['https://explorer.thehelixchain.xyz']
  }]
});

RPC Endpoints

Public endpoints for interacting with Helix Chain.

Protocol	URL	Methods
JSON-RPC	`https://rpc.thehelixchain.xyz`	eth_, net_, web3_, txpool_
WebSocket	`wss://ws.thehelixchain.xyz`	eth_subscribe, eth_, net_

Example: Get Latest Block

cURL

curl -X POST https://rpc.thehelixchain.xyz \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'

Example: Get Balance

cURL

curl -X POST https://rpc.thehelixchain.xyz \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_getBalance","params":["0xYOUR_ADDRESS","latest"],"id":1}'

Deployed Contracts

Core protocol and ecosystem contracts deployed on Helix Chain.

Core Infrastructure

Contract	Address	Purpose
WHLX	`0x8534...1cF5`	Wrapped HLX (ERC-20)
Multicall3	`0xF3ab...93e6`	Batch RPC calls
TokenFactory	`0xD112...Aa70`	One-click ERC-20 creation

DeFi Ecosystem

Contract	Address	Purpose
HelixSwap Factory	`0xb692...F6d8`	AMM pair factory
HelixSwap Router	`0x3928...cA0B`	Swap & liquidity router
HelixLaunch	`0x0004...f089`	Token launchpad (bonding curve)
HelixNFT	`0x0684...bee3`	ERC-721 NFT contract
HelixMarketplace	`0x91aF...4f0`	NFT marketplace
HelixBridgeMint	`0xB35E...0a15`	Bridge mint/burn (Helix side)
HelixP2P	`0x103f...c37`	P2P exchange escrow
HelixPredict	`0x97Fa...04b8`	Prediction markets (CPMM AMM)
HelixCasino	`0x96e5...809c`	Casino vault/settlement
HelixBet	`0xfa20...9476`	Sports betting (fixed odds)

All contracts are verified on the Block Explorer. View full source code and ABI there.

Using ethers.js

Connect to Helix Chain using the popular ethers.js library (v6).

Install

Terminal

npm install ethers

Read-Only Provider

JavaScript

import { JsonRpcProvider, formatEther } from 'ethers';

const provider = new JsonRpcProvider('https://rpc.thehelixchain.xyz', {
  chainId: 8088,
  name: 'helix'
});

// Get latest block number
const blockNumber = await provider.getBlockNumber();
console.log('Block:', blockNumber);

// Get balance
const balance = await provider.getBalance('0xYOUR_ADDRESS');
console.log('Balance:', formatEther(balance), 'HLX');

Send Transaction

JavaScript

import { Wallet, JsonRpcProvider, parseEther } from 'ethers';

const provider = new JsonRpcProvider('https://rpc.thehelixchain.xyz', {
  chainId: 8088,
  name: 'helix'
});
const wallet = new Wallet('YOUR_PRIVATE_KEY', provider);

const tx = await wallet.sendTransaction({
  to: '0xRECIPIENT_ADDRESS',
  value: parseEther('1.0')  // Send 1 HLX
});

const receipt = await tx.wait();
console.log('TX Hash:', receipt.hash);

Interact with HelixSwap Router

JavaScript

import { Contract, JsonRpcProvider } from 'ethers';

const ROUTER = '0x392880e8E97b4eFe0D4553D04C0f84072c87cA0B';
const ROUTER_ABI = [
  'function getAmountsOut(uint amountIn, address[] path) view returns (uint[] amounts)',
  'function swapExactETHForTokens(uint amountOutMin, address[] path, address to, uint deadline) payable'
];

const provider = new JsonRpcProvider('https://rpc.thehelixchain.xyz');
const router = new Contract(ROUTER, ROUTER_ABI, provider);

// Get swap quote: 1 HLX -> WHLX
const WHLX = '0x85341204E4988F377a813633D6d13e6f528c1cF5';
const amounts = await router.getAmountsOut(parseEther('1'), [WHLX, TOKEN_ADDRESS]);
console.log('Output:', formatEther(amounts[1]));

Using web3.js

Connect using web3.js (v4).

JavaScript

import { Web3 } from 'web3';

const web3 = new Web3('https://rpc.thehelixchain.xyz');

// Get block number
const block = await web3.eth.getBlockNumber();
console.log('Block:', block);

// Get balance
const balance = await web3.eth.getBalance('0xYOUR_ADDRESS');
console.log('Balance:', web3.utils.fromWei(balance, 'ether'), 'HLX');

// Subscribe to new blocks (WebSocket)
const web3ws = new Web3('wss://ws.thehelixchain.xyz');
const sub = await web3ws.eth.subscribe('newHeads');
sub.on('data', (block) => {
  console.log('New block:', block.number);
});

HelixSwap DEX

Uniswap V2-compatible decentralized exchange for swapping tokens on Helix Chain.

Factory

0xb692bbeD3b5b13D0078F184E791027594d2EF6d8

Router

0x392880e8E97b4eFe0D4553D04C0f84072c87cA0B

Fee structure: 0.3% per swap (0.25% to LPs, 0.05% to protocol treasury)

Interface: swap.thehelixchain.xyz

The DEX is fully compatible with the Uniswap V2 SDK and any tools that support the UniswapV2Router02 interface.

Token Launchpad

Create tokens with bonding curve pricing. Tokens graduate to HelixSwap after reaching 50,000 HLX market cap.

HelixLaunch

0x0004c38e406A28c78b2cD07f8c17227eb40bF089

Bonding curve: Linear — price = basePrice + totalSold * slope

Base price: 0.000005 HLX

Graduation: At 50,000 HLX raised, the token creates a HelixSwap liquidity pool and LP tokens are burned (permanent liquidity).

Fees: 1% on buys/sells to protocol treasury

Interface: launch.thehelixchain.xyz

NFT Marketplace

Mint, list, and trade NFTs on Helix Chain.

HelixNFT (ERC-721)

0x068451A21807d89BB780D226fDCb7743dA15bee3

Marketplace

0x91aFe786ed85b645B4998716e5F392cD2c1894f0

Marketplace fee: 2.5% on every sale to protocol treasury

Supports: Fixed price listings, offers, EIP-2981 royalties

Interface: nft.thehelixchain.xyz

Cross-Chain Bridge

Bridge assets between Ethereum and Helix Chain. Lock ETH on Ethereum, receive wETH on Helix. Secured by a 3-of-5 multi-sig relayer.

HelixBridgeMint (Helix Side)

0xB35Eeaa9716642d2E07E0F84Bf71d095b68F0a15

Fee: 0.1% on bridged amount, paid to protocol treasury

How it works: Lock ETH in the Ethereum bridge contract → Relayer detects & signs → wETH minted on Helix. Reverse: burn wETH → relayer unlocks ETH.

Security: 3-of-5 multi-sig threshold with separate key servers. All bridge events publicly verifiable on-chain.

Interface: bridge.thehelixchain.xyz

P2P Exchange

Buy and sell HLX directly with fiat currency. Escrow-based peer-to-peer trading with reputation system.

HelixP2P

0x103f86f919C16d43B25D660c5247B1AE67326c37

Fee: 1% on completed trades, paid to protocol treasury

How it works: Seller creates listing & locks HLX in escrow → Buyer locks order → Buyer pays fiat off-chain → Seller releases HLX. 24-hour auto-release after buyer marks paid.

Payment methods: Bank Transfer, PayPal, Revolut, Wise, Cash App

Currencies: USD, EUR, GBP, AUD

Disputes: Admin resolution — funds released to buyer or seller based on evidence

Interface: buy.thehelixchain.xyz

Prediction Markets

Create and trade on binary prediction markets. Buy YES or NO shares that trade between 0-1 HLX based on probability.

HelixPredict

0x45727d9f440967B10cE8631eF0Ae02E18A7daF8A

Fee: 2% on winning share redemptions, paid to protocol treasury

Market model: Constant Product Market Maker (CPMM) — same math as Uniswap V2 but for outcome shares

Price formula: YES price = noPool / (yesPool + noPool)

How it works: Anyone creates a market with seed liquidity → traders buy/sell YES and NO shares → creator resolves after event → winning shares redeem at 1 HLX each

Categories: Crypto, Sports, Politics, Entertainment, Science & Tech

Interface: predict.thehelixchain.xyz

Casino

Provably fair casino with 6 games. All game outcomes verifiable via cryptographic seed chains.

HelixCasino (Vault/Settlement)

0x96e59F63e5697C969c713E6dca4BeB0F35B1809c

Games

Game	Edge	Max Payout
Coin Flip	2%	1.96x
Dice (Over/Under)	1%	990x
Roulette (European)	2.7%	35x
Crash	3%	1,000x
Mines (5x5)	2%	~5,000x
Limbo	3%	1,000x

Fairness: HMAC-SHA256 hash chain — result = HMAC_SHA256(serverSeed, clientSeed:nonce)

How it works: Deposit HLX into casino balance → play games → winnings credited to balance → withdraw to wallet anytime

Verification: Every game result can be independently verified. Server seeds revealed after use.

Interface: casino.thehelixchain.xyz

Sports Betting

Fixed-odds sports betting powered by real-time odds data from 15+ bookmakers. Place single bets or parlays.

HelixBet

0xb7A95473C6740C5BB4aD603325d8b48Ddc81d12b

Sports: NFL, NBA, MLB, NHL, UFC/MMA, Soccer, Tennis, Esports, and more

Odds: Real-time from The Odds API (15+ bookmaker sources), updated every 5 minutes

Bet types: Moneyline, Point Spread, Over/Under, Parlays (2-10 legs, max 100x)

Settlement: Automatic — event results fetched and bets settled on-chain within minutes of game end

Max exposure: 5% of house bankroll per event

Interface: bet.thehelixchain.xyz

Web Wallet

Client-side web wallet for managing HLX. Create or import wallets, send/receive HLX, view transaction history.

Key features: Create new wallet, import via private key or mnemonic, send HLX, view balance & history

Security: All keys stay in your browser. Private keys are never sent to any server.

Interface: wallet.thehelixchain.xyz

Testnet Faucet

Get free HLX tokens for testing and development.

10 HLX per request

One request per wallet every 24 hours.

Go to Faucet

Quick Links

All Helix Chain ecosystem services.

Homepage

thehelixchain.xyz

Block Explorer

explorer.thehelixchain.xyz

HelixSwap DEX

swap.thehelixchain.xyz

Token Launchpad

launch.thehelixchain.xyz

NFT Marketplace

nft.thehelixchain.xyz

Web Wallet

wallet.thehelixchain.xyz

Faucet

faucet.thehelixchain.xyz

Bridge

bridge.thehelixchain.xyz

P2P Exchange

buy.thehelixchain.xyz

Prediction Markets

predict.thehelixchain.xyz

Casino

casino.thehelixchain.xyz

Sports Betting

bet.thehelixchain.xyz

Documentation

docs.thehelixchain.xyz