I migrated 500+ canisters from Motoko to Rust on the Internet Computer. Here are the two major things I learned. — Recently, on Nov. 4, I upgraded the code of the 1,000+ canister smart contract​s of Papyrs — an open-source, privacy-first, decentralized blogging platform. Among these, half of them have had their source code rewritten entirely from Motoko to Rust. The Internet Computer — the general-purpose blockchain that hosts these canisters…

How to repeatedly call a function on the IC with web workers without decreasing your dapp’s frontend performance. — Some use cases require a frontend dapp to repeatedly call a function deployed on the Internet Computer blockchain with a fixed time delay between each call. For example, in Papyrs — a Web3 blogging platform — there is no save button. …

A guide to setting up metadata, icons, and social images for displaying dapps on social media sites and search engines. — Now that the Internet Computer finally supports crawlers, dapps running 100% on-chain can be indexed by search engines and their metadata can be read to generate cards on social platforms. ​Following below is a list of things I do to prepare my web applications for social media sites and SEO…

How to install code in child canisters with NodeJS. — ​On Papyrs — a web3 open-source blogging platform — each user gets two smart contract canisters upon sign-in. One that contains private data, and another that enables the user’s personal blog-space on the internet. ​Until the day I (hopefully) hand over the control of all canisters to an SNS and…

A tutorial for using JavaScript to convert Internet Computer utility tokens into cycles to pay for computation and storage. — Until there is a library (e.g. cmc-js 👀) that facilitates the conversion of ICP utility tokens into cycles in JavaScript, the following tutorial may help you implement such a transformation. ​Introduction Long story short, to convert ICP to cycles you need two things: ​The exchange rate to transform the values which…