Shravanth Gowda @codenegatives
Passionate about coding, crypto, and creating cool stuff. Joined December 2023-
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✅ Day 12 – #ContractConquerorChallenge Built a full StakingRewards contract! Stake TokenA, earn TokenB 💰 🔒 1hr lock-in 💸 10% early exit penalty 🔁 Auto-compound 📊 Track lifetime stake/rewards Tested in Remix IDE — next: yield farming! #DeFi #Solidity
✅ Day 11 – #ConquerorChallenge: Built a Simple ERC20 Token Swap contract in #Solidity! 🔁 swapTokens() handles fixed-rate swaps 🧪 Deployed/tested in #RemixIDE — success! Next: dynamic pricing + fees 💡 SmartContracts #Web3 #DeFi #CryptoDev #BuildInPublic
🚀 Day 10 #ConquerorChallenge: Built an NFT Auction System from scratch (ERC721 + ERC1155)! 🛠️ Trustless bidding, auto-refunds, secure transfers—all in Solidity via Remix IDE. One step closer to modular marketplace smart contracts 💥 #Web3 #NFTAuction #CryptoDev #DeFiBuilders
Day 9 – #ConquerorChallenge 🧾 Added EIP-2981 royalty support to my custom ERC1155 NFT contract — creators now earn royalties on resale! Built w/ Solidity + Remix IDE ⚙️ Next: Auctions + marketplace integration 🔥 #NFTs #Web3 #SmartContracts #EIP2981
Day 8 #ConquerorChallenge Built ERC1155 from scratch Why it's better: -Single contract = NFTs + tokens -Batch ops = less gas - Gaming-ready Key parts: - Balance tracking - Safe transfers - Minting - Approvals #Solidity #ERC1155 #ConquerorChallenge #Web3 #BuildInPublic
✅ Day 7 – #ConquerorChallenge Built Delayed Metadata Reveal in custom #ERC721 NFT (no OpenZeppelin!) 🔒 Hidden URI → reveal() → Real metadata 🎯 Minting, Whitelist, Dynamic URIs, Reveal #Solidity #NFTDev #Web3 #BuildInPublic
✅ Day 6 of #ConquerorChallenge Implemented whitelist-based minting in my custom ERC721 NFT contract 🎯 🔒 Only whitelisted addresses can safeMint 🧑⚖️ Owner can add/remove addresses #Solidity #NFTs #Web3 #CryptoDev #ERC721 #SmartContracts #BuildInPublic #LearningInPublic #NFTDev
Day 5 of #ConquerorChallenge Built custom ERC721 features (no OpenZeppelin): 🎯 Features: 🖼NFT collection with baseURI Dynamic tokenURI() for metadata safeMint() with reentrancy + zero address checks #Solidity #ERC721 #NFTDev #Web3 #CryptoDev #BuildInPublic #SmartContracts
Day 4 of #ConquerorChallenge Built ERC721 NFT contract from scratch (no OpenZeppelin) 🛠️Features: name, symbol, owners, balances, tokenApprovals, mint, transferFrom, approve #Solidity #NFTs #ERC721 #Web3Dev #CryptoDev #SmartContracts #BuildInPublic #LearningInPublic #Ethereum
Day 3 of #ConquerorChallenge Built a full ERC20 token using OpenZeppelin — secure & gas-optimized! Features: Minting (Capped) 🔥 Burning ⏸ Pausable 👑 Ownership ⏳ Custom Timelock ⚡ Gas Optimized 🛡 OpenZeppelin Safe #Solidity #Web3 #CryptoDev #ERC20 #OpenZeppelin
✅ Day 2 of #ContractConquerorChallenge Built advanced ERC20 features from scratch: 🪙 Mintable 🔥 Burnable ⏸ Pausable 🎯 Capped ⏳ Timelock 🔐 Custom Access Control (onlyOwner) All in Solidity, no OpenZeppelin. 📸 Attached: Working contract & tx logs #Web3 #Solidity #CryptoDev
Day 1 – #ContractConquerorChallenge Kicked off my smart contract journey by building a custom #ERC20 token in #Solidity from scratch no OpenZeppelin! ✅transfer, approve, transferFrom ✅ balances & allowances logic ✅ Events: Transfer, Approval #Web3 #CryptoDev #BuildInPublic
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