SecureStakeVault — ERC20 Staking Smart Contract (Solidity)

Developed a secure and configurable ERC20 staking smart contract for DeFi platforms and Web3 applications.

The contract allows users to stake ERC20 tokens, earn rewards through configurable APY plans, claim accumulated rewards, and perform emergency withdrawals with configurable penalties.

Key features:

* ERC20 Token Staking
* Reward Distribution System
* Configurable APY Rates
* Multiple Staking Plans
* Emergency Unstake Functionality
* Reward Reservation Mechanism
* Reentrancy Protection
* Two-Step Ownership Transfer
* Safe ERC20 Transfer Handling
* EVM-Compatible Architecture

Security-focused implementation:

* Protected reward accounting
* Reserved reward balance management
* Configurable penalty limits
* Administrative access controls
* User fund protection mechanisms

Compatible with:

* Ethereum
* BNB Chain
* Polygon
* Arbitrum
* Base
* Optimism
* Avalanche
* Other EVM-compatible networks

Technologies used:

Solidity 0.8.x, ERC20, DeFi Architecture, Smart Contracts, EVM.

GitHub Repository:
https://github.com/pydevtop/defi_staking_smart_contract