PinnedxtremetominCoinmonksWhat I learned from building Cool Cats NFTSolidity — seriously10 min read·Jul 6, 2021--16--16
xtremetominCoinmonksHow I put an NFT collection of 20k animated GIFs on-chain and saved 9 Eth on gasBaby Pepes move on-chain14 min read·Jul 31, 2023----
xtremetominCoinmonks10 Simple Ways to Save Gas with SolidityBelow is a list of just a few simple ways you can save gas in solidity contracts. The full list is seemingly endless, but all boils down to…5 min read·Sep 6, 2022----
xtremetominCoinmonksSave Gas with Data PackingStorage writes are expensive, write less5 min read·Sep 2, 2022----
xtremetomCooltopia Login and Permission SystemA Solidity authorization and permission system7 min read·May 25, 2022----
xtremetominCoinmonksSolidity — Random NumbersHopefully, you know that it is impossible to generate a random number purely on-chain. You need to use services like chainlink, but let's…5 min read·Dec 19, 2021--2--2
xtremetominCoinmonksVerifying Solidity SignaturesProcessing everything on-chain is great, but not always practical and sometimes you might want to do something a little tricky in order to…2 min read·Oct 22, 2021--1--1
xtremetomCool Cats Contract — ImprovementsCool Cats launched a little over five weeks ago, although it feels like much longer. In that time I have spotted a few projects using the…2 min read·Aug 9, 2021--1--1
