Frequently Asked Questions

General

What is Selendra?

Substrate-based blockchain for Southeast Asia with dual EVM/WASM, unified accounts, and 1-second blocks.

How does it differ from Ethereum?

What can I build?

DeFi, NFTs, payments, supply chain, digital identity, gaming.

Technical

Languages supported?

• EVM: Solidity, Vyper
• WASM: Rust (ink!)
• Frontend: JavaScript/TypeScript

How to connect?

• Chain ID: 1961
• RPC: https://rpc.selendra.org
• Explorer: https://explorer.selendra.org
• Gas: 0.1 Gwei

Are Ethereum tools compatible?

Yes - Remix, Hardhat, MetaMask, ethers.js, OpenZeppelin all work.

Development

Deployment costs?

• Simple contracts: ~0.001 SEL
• Complex: ~0.005-0.01 SEL
• ~100x cheaper than Ethereum

Can I migrate Ethereum dApps?

Yes:

1. Update RPC to Selendra
2. Change chain ID to 1961
3. Redeploy contracts
4. Update frontend

Is there a testnet?

• RPC: https://rpc-testnet.selendra.org
• Chain ID: 1953
• Faucet: https://faucet.selendra.org

Tokens

What is SEL?

Native token for gas, staking, and governance.

Transaction fees?

• Transfer: ~0.000001 SEL
• Contract call: ~0.00001-0.0001 SEL
• Deployment: ~0.001-0.01 SEL

Nodes

Hardware requirements?

• CPU: 8+ cores @ 3.0GHz
• RAM: 16GB (32GB recommended)
• Storage: 200GB NVMe SSD
• Stake: 10,000 SEL minimum

See Run Nodes for guides.

Security

Is Selendra secure?

• Substrate framework (battle-tested)
• Proof of Stake consensus
• Slashing penalties
• Regular audits

How to keep funds safe?

• Use hardware wallets
• Keep keys offline
• Verify contract addresses
• Use audited dApps

Support

Where to get help?

• Telegram: t.me/selendranetwork
• X: @selendranetwork
• GitHub: github.com/selendra
• Security: security@selendra.org

Contact

• Technical: support@selendra.org
• Business: business@selendra.org
• Partnerships: partnerships@selendra.org

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Quick Links: Get Started • GitHub