metadevdigital.hashnode.devBuilding Safe Upgradeable Smart Contracts with OpenZeppelin ProxyBuilding Safe Upgradeable Smart Contracts with OpenZeppelin Proxy If you've ever deployed a database migration to production, you understand the anxiety. You've got live data, active users, and you need to change the schema without blowing everythin...3h ago·4 min read
metadevdigital.hashnode.devMEV (Maximal Extractable Value): What It Is and Why It MattersMEV (Maximal Extractable Value): What It Is and Why It Matters When I first deployed a liquidity pool contract on Mainnet, I watched a $50k swap get sandwiched in the same block and couldn't figure out where the slippage went. Took me way too long t...7h ago·4 min read
metadevdigital.hashnode.devSolidity Storage vs Memory vs Calldata: A Developer's GuideSolidity Storage vs Memory vs Calldata: A Developer's Guide You're deploying next week. Your contract passed a light security review but you haven't optimized gas at all. Your state variables are scattered across storage slots and you're writing to s...8h ago·5 min read
