xtremetom – Medium

xtremetom

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xtremetom

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Jul 6, 2021

What I learned from building Cool Cats NFT

Solidity — seriously

What I learned from building Cool Cats NFT

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Jul 31, 2023

How I put an NFT collection of 20k animated GIFs on-chain and saved 9 Eth on gas

Baby Pepes move on-chain

How I put an NFT collection of 20k animated GIFs on-chain and saved 9 Eth on gas

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Sep 6, 2022

10 Simple Ways to Save Gas with Solidity

Below 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…

10 Simple Ways to Save Gas with Solidity

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xtremetom

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Sep 2, 2022

Save Gas with Data Packing

Storage writes are expensive, write less

Save Gas with Data Packing

xtremetom

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May 25, 2022

Cooltopia Login and Permission System

A Solidity authorization and permission system

Cooltopia Login and Permission System

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xtremetom

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Dec 19, 2021

Solidity — Random Numbers

Hopefully, you know that it is impossible to generate a random number purely on-chain. You need to use services like chainlink, but let's…

Solidity — Random Numbers

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Oct 22, 2021

Verifying Solidity Signatures

Processing everything on-chain is great, but not always practical and sometimes you might want to do something a little tricky in order to…

Verifying Solidity Signatures

xtremetom

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Aug 30, 2021

Cool Cats Air Dropper v2

Automated drops

Cool Cats Air Dropper v2

xtremetom

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Aug 15, 2021

The Reality of Running an NFT

Community is key

The Reality of Running an NFT

xtremetom

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Aug 9, 2021

Cool Cats Contract — Improvements

Cool 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…

Cool Cats Contract — Improvements

xtremetom

xtremetom

Im a Found of Cool Cats, general Web 3 consultant with 20 yrs experience as a builder, marketer and company owner in Web 2.

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