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Supported Blockchains Overview

Multi-Chain Architecture

SSP Wallet supports 15 blockchain networks (plus testnets) with true multisignature capabilities across UTXO and EVM-compatible blockchains. Each network uses the optimal implementation:

  • UTXO Networks: Native P2SH/P2WSH multisignature addresses

  • EVM Networks: Standard EOA addresses with Schnorr multisig message signing

  • Account Abstraction: Optional smart contract wallets on supported EVM chains

All networks maintain the same 2-of-2 multisignature security model using BIP48 key derivation.

🔗 Supported Networks

Bitcoin-Based (UTXO) Networks

Bitcoin (BTC)

  • Network: Bitcoin Mainnet

  • Address Type: P2WSH (Pay-to-Witness-Script-Hash) multisignature

  • Derivation Path: m/48'/0'/0'/2'/0/0

  • Script Type: p2wsh (SegWit native)

  • Features:

    • Native 2-of-2 multisignature addresses

    • Replace-by-Fee (RBF) support

    • SegWit for lower fees and faster confirmation

    • Bech32 address format (bc1...)

// Actual Bitcoin configuration from blockchains.ts
const btc = {
  id: 'btc',
  libid: 'bitcoin',
  name: 'Bitcoin',
  symbol: 'BTC',
  decimals: 8,
  slip: 0, // BIP44 coin type
  scriptType: 'p2wsh', // SegWit multisig
  bech32: 'bc1',
  dustLimit: 546, // 546 satoshi minimum
  minFeePerByte: 1,
  feePerByte: 100, // Default fee rate
  rbf: true // Replace-by-Fee enabled
};

Bitcoin Testnet & Signet

  • Bitcoin Testnet: Testing network with same features as mainnet

    • Bech32 Prefix: tb1

    • Script Type: p2wsh

    • Fee Rate: 5 sat/vbyte (lower for testing)

  • Bitcoin Signet: Controlled test network

    • More Reliable: Consistent block production

    • Same Configuration: As testnet but different network

Litecoin (LTC)

  • Network: Litecoin Mainnet

  • Address Type: P2WSH multisignature

  • Derivation Path: m/48'/2'/0'/2'/0/0

  • Script Type: p2wsh

  • Features:

    • 2.5-minute block times (4x faster than Bitcoin)

    • Lower transaction fees

    • Scrypt mining algorithm

    • Bech32 addresses (ltc1...)

Zcash (ZEC)

  • Network: Zcash Mainnet

  • Address Type: P2SH multisignature (transparent addresses)

  • Script Type: p2sh

  • Derivation Path: m/48'/133'/0'/2'/0/0

  • Features:

    • Transparent transactions only (t-addresses)

    • Transaction expiry (1 hour default)

    • Overwinter and Sapling protocol support

Dogecoin (DOGE)

  • Network: Dogecoin Mainnet

  • Address Type: P2SH multisignature

  • Script Type: p2sh

  • Derivation Path: m/48'/3'/0'/0'/0/0

  • Features:

    • Very low transaction fees (1000+ DOGE typical fee)

    • High transaction throughput

    • 1-minute block times

Ravencoin (RVN)

  • Network: Ravencoin Mainnet

  • Address Type: P2SH multisignature

  • Script Type: p2sh

  • Derivation Path: m/48'/175'/0'/0'/0/0

  • Features:

    • Asset creation and transfer capabilities

    • 1-minute block times

    • ASIC-resistant mining (KAWPOW algorithm)

    • Built-in asset layer

Flux (FLUX)

  • Network: Flux Mainnet + Testnet

  • Address Type: P2SH multisignature

  • Script Type: p2sh

  • Derivation Path: m/48'/19167'/0'/0'/0/0 (Flux-specific coin type)

  • Features:

    • Native integration with Flux decentralized cloud

    • Transaction expiry (30 blocks, ~1 hour)

    • Built-in message capability (80 bytes)

    • Special integration with SSP ecosystem

Ethereum-Compatible (EVM) Networks

Ethereum (ETH)

  • Network: Ethereum Mainnet

  • Chain ID: 1 (0x1)

  • Address Type: Standard EOA addresses (0x...) + Schnorr multisig message signing

  • Account Abstraction: Optional smart contract wallets available

  • Features:

    • Schnorr multisig message signing for enhanced security

    • EIP-712 structured data signing

    • WalletConnect v2 integration

    • Optional Account Abstraction (ERC-4337)

    • DeFi protocol compatibility

// Actual Ethereum configuration from blockchains.ts
const eth = {
  id: 'eth',
  libid: 'mainnet',
  chainId: '1',
  chainType: 'evm',
  symbol: 'ETH',
  decimals: 18,
  backend: 'alchemy',
  // Account Abstraction support
  factoryAddress: '0x3974821943e9cA3549744D910999332eE387Fda4',
  entrypointAddress: '0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789',
  baseFee: 11, // 11 gwei
  priorityFee: 2, // 2 gwei
  gasLimit: 750000
};

Polygon (POL)

  • Network: Polygon Mainnet

  • Chain ID: 137 (0x89)

  • Address Type: Standard EOA + Schnorr multisig message signing

  • Features:

    • Very low transaction fees (~$0.01)

    • Fast 2-second block times

    • Full Ethereum Virtual Machine compatibility

    • Account Abstraction support

    • Extensive DeFi ecosystem

Binance Smart Chain (BSC)

  • Network: BNB Smart Chain

  • Chain ID: 56 (0x38)

  • Address Type: Standard EOA + Schnorr multisig message signing

  • Features:

    • Low fees (typically $0.10-2.00)

    • High transaction throughput

    • 3-second block times

    • Binance ecosystem integration

    • Account Abstraction support

Avalanche (AVAX)

  • Network: Avalanche C-Chain

  • Chain ID: 43114 (0xa86a)

  • Address Type: Standard EOA + Schnorr multisig message signing

  • Features:

    • Sub-second transaction finality

    • Low fees (~$0.10-5.00)

    • Unique Avalanche consensus mechanism

    • Account Abstraction support

    • Growing DeFi ecosystem

Base

  • Network: Base Mainnet (Coinbase L2)

  • Chain ID: 8453 (0x2105)

  • Address Type: Standard EOA + Schnorr multisig message signing

  • Features:

    • Coinbase-backed Layer 2 solution

    • Very low fees (~$0.01-0.50)

    • Optimistic rollup technology

    • Growing consumer application ecosystem

    • Account Abstraction support

Testnets

The following testnets are available:

  • Sepolia - Ethereum testnet (not Goerli)

  • Amoy - Polygon testnet (not Mumbai)

  • Bitcoin Testnet - Bitcoin testing network

  • Bitcoin Signet - Controlled Bitcoin test network

  • Flux Testnet - Flux testing network

🔧 Network-Specific Features

UTXO Networks (Bitcoin-based)

Transaction Construction

// UTXO transaction structure
interface UTXOTransaction {
  inputs: Array<{
    txid: string;
    vout: number;
    value: number;
    scriptSig: string;
  }>;
  outputs: Array<{
    address: string;
    value: number;
  }>;
  fee: number;
  rbf: boolean; // Replace-by-Fee
}

Multi-Signature Implementation

  • 2-of-2 P2SH: Standard multisig with script hash

  • 2-of-2 P2WSH: SegWit wrapped multisig (lower fees)

  • Address Generation: Both public keys required

  • Signing Process: Sequential signing by both keys

EVM Networks (Ethereum-compatible)

Transaction Structure

// EVM transaction structure
interface EVMTransaction {
  to: string;
  value: string;
  data: string;
  gasLimit: string;
  gasPrice: string; // or maxFeePerGas/maxPriorityFeePerGas for EIP-1559
  nonce: number;
  chainId: number;
}

Smart Contract Integration

  • Contract Calls: Direct smart contract interaction

  • Token Transfers: ERC-20, ERC-721, ERC-1155 support

  • DeFi Protocols: Uniswap, Aave, Compound integration

  • Account Abstraction: ERC-4337 compatible wallets

🌍 Network Selection & Switching

Automatic Network Detection

SSP Wallet automatically detects the appropriate network based on:

  • Transaction recipient address format

  • Token contract address

  • User preference settings

  • dApp requested network

Manual Network Switching

// Request network switch
await sspProvider.request({
  method: 'wallet_switchEthereumChain',
  params: [{ chainId: '0x89' }] // Polygon
});

// Add custom network
await sspProvider.request({
  method: 'wallet_addEthereumChain',
  params: [{
    chainId: '0x2105', // Base
    chainName: 'Base',
    nativeCurrency: {
      name: 'Ether',
      symbol: 'ETH', 
      decimals: 18
    },
    rpcUrls: ['https://mainnet.base.org'],
    blockExplorerUrls: ['https://basescan.org']
  }]
});

⚡ Network Performance & Fees

Transaction Speed Comparison

Network
Block Time
Typical Confirmation Time
Finality

Bitcoin

~10 minutes

30-60 minutes (3-6 blocks)

6+ blocks

Ethereum

~12 seconds

1-5 minutes (5-25 blocks)

~15 minutes

Polygon

~2 seconds

30-60 seconds

~30 seconds

BSC

~3 seconds

30-90 seconds

~45 seconds

Avalanche

~2 seconds

10-30 seconds

Sub-second

Base

~2 seconds

30-60 seconds

~2 minutes

Fee Comparison (Typical)

Network
Transfer Fee
Token Transfer
Swap Fee
DeFi Interaction

Bitcoin

$1-10

N/A

N/A

N/A

Ethereum

$5-50

$10-100

$20-200

$50-500

Polygon

$0.01-1

$0.02-2

$0.10-5

$0.50-10

BSC

$0.10-2

$0.20-3

$0.50-5

$1-20

Avalanche

$0.10-5

$0.20-8

$1-15

$2-30

Base

$0.01-2

$0.05-5

$0.20-10

$1-25

Fees vary based on network congestion and transaction complexity

🔍 Block Explorers

Mainnet Explorers

Testnet Explorers

🛠️ Development & Testing

Testnet Information

For testnet tokens and development resources, consult official network documentation.

Network Configuration for Development

Development configurations are available in the SSP Wallet source code. Refer to the blockchains.ts file for accurate network parameters.

🔮 Networks Under Evaluation

Research Phase

  • Cardano: Multi-signature implementation research in progress

  • Cosmos: Inter-blockchain communication and multisig evaluation

  • TRON: TRC-20 and native multisig assessment

  • NEAR: Account model and multisig capabilities evaluation

For detailed information, see Networks Under Evaluation.

Community Requests

Submit requests for new network support on GitHub.

🎯 Network Selection Best Practices

For Users

  1. Bitcoin: Long-term storage, high-value transfers

  2. Ethereum: DeFi, NFTs, complex smart contracts

  3. Polygon/BSC: Frequent trading, gaming, low-value transfers

  4. Avalanche/Base: DeFi with better UX, moderate fees

  5. Testnets: Always test before mainnet transactions

For Developers

  1. Test on testnets first before mainnet deployment

  2. Consider fee structures for your application's use case

  3. Plan for network congestion during high-traffic periods

  4. Implement network switching for better user experience

  5. Monitor network health and have fallback options

📊 Network Health Monitoring

Real-Time Status

SSP Wallet displays real-time sync status for all supported networks within the application.

Performance Metrics

  • Block height synchronization

  • Transaction pool status

  • Network fee recommendations

  • Connection health indicators

Next Steps

PreviousAccount Abstraction ExplainedNextNetworks Under Evaluation

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