Syscoin RPC Node
Bitcoin Security

Q: What is Syscoin?

Syscoin is a dual-layer blockchain with Bitcoin merge-mined proof-of-work security on Layer 1 and EVM-compatible smart contracts through NEVM on Layer 2.

Q: What is merge-mining?

Merge-mining allows Bitcoin miners to simultaneously secure Syscoin using the same computational work, providing Bitcoin-equivalent security at zero marginal cost.

Q: How long has Syscoin been merge-mined?

Syscoin has been merge-mined by Bitcoin miners since 2014, providing over a decade of proven security and continuous operation.

Q: What is NEVM?

NEVM (Network-Enhanced Virtual Machine) is Syscoin's EVM-compatible smart contract layer enabling Solidity development with Bitcoin security.

Q: Is Syscoin EVM compatible?

Yes, Syscoin NEVM is fully EVM-compatible. Deploy existing Solidity smart contracts using standard Ethereum development tools.

Q: What is the SYS token?

SYS is Syscoin's native cryptocurrency used for transaction fees, securing the network, and smart contract interactions.

Q: What is Rollux?

Rollux is an optimistic rollup Layer 2 built on Syscoin, inheriting Bitcoin security through Syscoin's merge-mining.

Q: Why does Bitcoin security matter?

Bitcoin's proof-of-work provides computational security far exceeding economic security of proof-of-stake, critical for high-value applications.

Q: Do you support Syscoin testnet?

Yes, we provide RPC access to both Syscoin NEVM mainnet (Chain ID 57) and testnet for development and testing.

Q: Why choose Syscoin for DeFi?

Syscoin offers Bitcoin merge-mined security (decade proven) with EVM compatibility, ideal for high-value DeFi requiring maximum security guarantees.

Connect to Syscoin, the dual-layer blockchain with Bitcoin merge-mined security. Experience EVM compatibility, zkRollup scalability, and modular architecture.

Documentation Get a free endpoint

3 M+

Requests per Day

99.9 %

Network Uptime

< 70 ms

Average Response Time

24/7

Technical Support

Specification Syscoin Network

Technical characteristics and available endpoints

Syscoin NEVM

Mainnet & Testnet Support

Chain ID 57

Protocol HTTPS / WSS

Uptime 99.9%

Security Bitcoin Merge-Mined

Layer 1 UTXO + Assets

EVM Layer NEVM (Network-Enhanced VM)

Syscoin is a dual-layer blockchain combining Bitcoin's merge-mined proof-of-work security with EVM-compatible smart contracts through NEVM (Network-Enhanced Virtual Machine), creating unique architecture inheriting Bitcoin's security while enabling Ethereum-style applications. Bitcoin miners have merge-mined Syscoin since 2014, providing over a decade of proven security equivalent to Bitcoin's hash power without requiring separate mining infrastructure. NEVM layer enables EVM contracts while Layer 1 UTXO chain handles assets, payments, and settlement, creating modular design supporting zkRollups and scalable data availability.

Key capabilities:

Bitcoin merge-mined security (since 2014)
Dual-layer architecture (UTXO L1 + EVM L2)
NEVM - EVM-compatible smart contracts
Proof-of-work security inheritance
zkRollup integration (Rollux)
Modular data availability
Asset layer on UTXO chain
Full Solidity support
Growing DeFi ecosystem

🔗 RPC Endpoints

HTTPS

https://rpc.crypto-chief.com/syscoin/{YOUR_API_KEY}

WSS

wss://rpc.crypto-chief.com/syscoin/ws/{YOUR_API_KEY}

Replace {YOUR_API_KEY} with your actual API key from the dashboard.

What is a Syscoin RPC Node?

Access Bitcoin-secured EVM

A Syscoin RPC node provides applications with access to NEVM — an EVM-compatible smart contract layer secured by Bitcoin merge-mining through Syscoin's unique dual-layer architecture. Unlike typical EVM chains relying solely on proof-of-stake security, Syscoin inherits the computational security of Bitcoin's proof-of-work through merge-mining, providing Bitcoin-level security guarantees for smart contracts and DeFi applications. This creates rare combination: Bitcoin's battle-tested security with Ethereum's smart contract capabilities and scalability through zkRollups.

Why Bitcoin security matters for DeFi

Proof-of-stake chains create economic security proportional to staked value — attack costs equal stake required to control validators. Bitcoin's proof-of-work provides computational security — attacking requires overwhelming majority of global mining hardware. Syscoin's merge-mining means Bitcoin miners simultaneously secure Syscoin at zero marginal cost, providing DeFi and smart contracts with Bitcoin-equivalent security impossible to achieve through economic staking alone.

Syscoin advantages:

Bitcoin security — merge-mined by Bitcoin miners since 2014
Proven track record — decade of secure operation
EVM compatible — full Solidity smart contract support
Dual-layer design — UTXO base + EVM execution
zkRollup ready — Layer 2 scaling (Rollux)
Modular DA — data availability for rollups

Merge-mining explained

Merge-mining enables Bitcoin miners to simultaneously mine both Bitcoin and Syscoin using the same computational work — no additional hardware, electricity, or effort required. Bitcoin miners include Syscoin block hashes in Bitcoin blocks, providing cryptographic proof that equivalent computational work secured both chains. This symbiotic relationship gives Syscoin access to Bitcoin's massive hash power (currently exahashes per second) providing security far beyond what Syscoin could achieve independently.

How Syscoin merge-mining works:

Bitcoin miner creates both Bitcoin and Syscoin blocks
Miner performs proof-of-work computation for Bitcoin
Same computational work simultaneously secures Syscoin
Syscoin block hash included in Bitcoin block as proof
Bitcoin's security extends to Syscoin at zero marginal cost
Decade of continuous Bitcoin miner participation

Modular architecture and zkRollups

Syscoin's dual-layer architecture separates concerns: Layer 1 UTXO chain handles security, asset management, and settlement while NEVM layer executes smart contracts. This modular design extends further through Rollux (optimistic rollup) and planned zkRollups providing Layer 2 scalability while settling to Bitcoin-secured Layer 1. Syscoin also provides modular data availability for rollups, creating full-stack infrastructure from Bitcoin security through execution scaling.

This represents unique positioning: Bitcoin-level security with Ethereum-level capabilities and Layer 2 scalability.

Technical Documentation

Quick start for developers

Supported RPC Methods

Syscoin NEVM supports all standard Ethereum JSON-RPC methods:

eth_blockNumber — current block number
eth_getBalance — SYS token balance
eth_call — execute read-only contract functions
eth_sendRawTransaction — broadcast signed transactions
eth_getTransactionReceipt — get transaction confirmation
eth_getLogs — query event logs
eth_gasPrice — current gas price
eth_estimateGas — estimate transaction gas cost
eth_subscribe — WebSocket event subscriptions

Code Examples

💻

JavaScript (ethers.js) — Syscoin NEVM:

const { ethers } = require('ethers');

const provider = new ethers.JsonRpcProvider('https://rpc.crypto-chief.com/syscoin/YOUR_API_KEY');

// Verify connection to Syscoin NEVM
const network = await provider.getNetwork();
console.log('Chain ID:', network.chainId); // 57
console.log('Network:', network.name); // syscoin

// Get SYS balance
const address = '0x...';
const balance = await provider.getBalance(address);
console.log('SYS Balance:', ethers.formatEther(balance));

// Deploy Bitcoin-secured smart contract
const factory = new ethers.ContractFactory(abi, bytecode, wallet);
const contract = await factory.deploy();
const receipt = await contract.waitForDeployment();

console.log('Contract deployed with Bitcoin-level security!');
console.log('Address:', await contract.getAddress());
console.log('Secured by Bitcoin miners since 2014');

// High-value DeFi vault leveraging Bitcoin security
const VAULT_CONTRACT = '0x...';
const vaultABI = [
  'function deposit(uint256 amount) external',
  'function withdraw(uint256 amount) external',
  'function getVaultBalance(address user) view returns (uint256)'
];

const vault = new ethers.Contract(VAULT_CONTRACT, vaultABI, wallet);

// Deposit assets in Bitcoin-secured vault
const depositAmount = ethers.parseEther('100');
const depositTx = await vault.deposit(depositAmount);
await depositTx.wait();

console.log('Assets secured by Bitcoin merge-mining!');
console.log('Proof-of-work security for DeFi!');

💻

Python (web3.py) — Syscoin Integration:

from web3 import Web3

w3 = Web3(Web3.HTTPProvider('https://rpc.crypto-chief.com/syscoin/YOUR_API_KEY'))

print('Connected to Syscoin NEVM:', w3.is_connected())
print('Chain ID:', w3.eth.chain_id)  # 57
print('Latest block:', w3.eth.block_number)

# Get SYS balance
address = '0x...'
balance = w3.eth.get_balance(address)
print(f'SYS Balance: {w3.from_wei(balance, "ether")} SYS')

# Bitcoin-secured DeFi protocol
defi_contract_address = '0x...'
defi_contract_abi = [...]

defi = w3.eth.contract(
    address=defi_contract_address,
    abi=defi_contract_abi
)

# High-value transaction leveraging Bitcoin security
tx_hash = defi.functions.stakeLargeAmount(
    w3.to_wei(10000, 'ether')
).transact({'from': user_address})

receipt = w3.eth.wait_for_transaction_receipt(tx_hash)
print('Large DeFi transaction completed!')
print('Protected by Bitcoin merge-mining security')
print('Decade of proven security guarantees')

# Query merge-mining stats (if available)
print('\nSyscoin security backed by Bitcoin hashrate')
print('No additional mining infrastructure required')

💻

WebSocket — Monitor Bitcoin-Secured Transactions:

const { ethers } = require('ethers');
const provider = new ethers.WebSocketProvider('wss://rpc.crypto-chief.com/syscoin/ws/YOUR_API_KEY');

// Monitor Bitcoin-secured blocks
provider.on('block', async (blockNumber) => {
  const block = await provider.getBlock(blockNumber);
  console.log(`\n=== Syscoin NEVM Block ${blockNumber} ===`);
  console.log('Transactions:', block.transactions.length);
  console.log('Security: Bitcoin merge-mined since 2014');
});

// Monitor high-value DeFi events
const HIGH_VALUE_VAULT = '0x...';
const vaultFilter = {
  address: HIGH_VALUE_VAULT,
  topics: [ethers.id('LargeDeposit(address,uint256)')]
};

provider.on(vaultFilter, (log) => {
  const decoded = ethers.AbiCoder.defaultAbiCoder().decode(
    ['address', 'uint256'],
    log.data
  );
  const amount = ethers.formatEther(decoded[1]);
  console.log('\n=== High-Value Deposit ===');
  console.log('User:', decoded[0]);
  console.log('Amount:', amount, 'SYS');
  console.log('Security: Bitcoin merge-mining');
  console.log('Proof-of-work protection for DeFi!');
});

console.log('Monitoring Syscoin - Bitcoin-secured EVM platform...');

Syscoin Best Practices

Leverage Bitcoin Security: Build high-value applications benefiting from PoW security
Dual-Layer Design: Understand Layer 1 UTXO and Layer 2 NEVM separation
Rollux Integration: Use Rollux L2 for scalability while settling to Bitcoin security
Asset Layer: Leverage Syscoin's native asset functionality on UTXO layer
Merge-Mining Benefits: Emphasize decade of Bitcoin miner participation
DeFi Focus: Ideal for applications requiring maximum security guarantees
Testing: Thoroughly test on Syscoin testnet before mainnet deployment

Why choose us?

Bitcoin-secured infrastructure

Bitcoin Security

Infrastructure backed by Bitcoin merge-mining with <70ms RPC latency and decade of proven security.

Proof-of-Work

Production infrastructure with computational security achieving 99.9% uptime through Bitcoin merge-mining.

Dual-Layer Analytics

Comprehensive monitoring of UTXO Layer 1, NEVM activity, merge-mining stats, and rollup metrics.

Global Infrastructure

Worldwide deployment supporting Syscoin's Bitcoin-secured EVM ecosystem.

Modular Scaling

Infrastructure designed for dual-layer architecture with L2 rollup scaling on Bitcoin-secured base.

Syscoin Experts

24/7 support from engineers specialized in merge-mining, dual-layer architecture, and Bitcoin security.

Examples of Use

Build with Bitcoin security

Syscoin's Bitcoin merge-mined security enables high-value DeFi protocols, institutional applications, Bitcoin-secured Layer 2s, and projects requiring proof-of-work guarantees.

High-Value DeFi

Build DeFi protocols handling large value where Bitcoin's proof-of-work security provides maximum protection.

Institutional Applications

Create institutional-grade platforms leveraging Bitcoin security for compliance and risk management requirements.

Bitcoin-Secured Rollups

Deploy zkRollups and optimistic rollups (like Rollux) settling to Bitcoin-secured Syscoin base layer.

Asset Tokenization

Tokenize real-world assets using Syscoin's native asset layer with Bitcoin merge-mining protection.

Cross-Chain DeFi

Build bridges and cross-chain protocols benefiting from Bitcoin security for valuable asset transfers.

Security-Critical Apps

Develop applications where security is paramount and proof-of-work guarantees are non-negotiable.

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