🌐 Ethereum (Solidity)
- · EVM-compatible smart contracts
- · Gas fee model with proof-of-stake consensus
- · Extensive tooling (Hardhat, Truffle)
- · Interoperability via bridges
🌐 DApp Ecosystem Overview
Decentralized application (DApp) frameworks enable secure, trustless execution through smart contracts and distributed ledger technologies. This tutorial explores popular blockchain development toolchains and their architectural patterns.
// DApp Architecture Template
contract ← compile(solidity_code)
deployment ← deploy_contract(network_config)
interface ← generate_frontend(recoil_state, web3_provider)
Framework Comparison Explorer
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🧱 Polkadot (Substrate)
- · Parachain architecture for scalability
- · XCMP cross-chain messaging
- · Custom runtime development
- · Nominated Proof-of-Stake
⚡ Solana (Rust)
- · High throughput with Proof-of-History
- · Low transaction latency (~400ms)
- · Wormhole-based ecosystem
- · On-chain program execution
⚙️ Neon EVM
- · EVM compatibility on Solana
- · Rust/Wasm contract support
- · Bridged Ethereum assets
- · High-performance for DeFi
⚙️ Smart Contract Example
// Ethereum Solidity Example
pragma solidity ^0.8.0;
contract SimpleStorage {
uint storedData;
function set(uint x) public {
storedData = x;
}
function get() public view returns (uint) {
return storedData;
}
}
// Deployment
npx hardhat run scripts/deploy.js --network localhost