Ethereum RPC Compatibility for Polkadot Smart Contracts

Alexander Gryaznov published on 2024-04-09

The idea of making pallet-contracts Ethereum RPC compatible has been around for a while. I did some research on the topic and built a working prototype which can be found in this repo. This post describes briefly the approach taken to the problem, the results so far and possible vectors of further development. Rationale We have the most technically developed blockchain platform, but lack of real users. The largest user base stays in Ethereum.

Parachain 🚀 Launch Cheatsheet

Alexander Gryaznov published on 2023-09-20

My notes made during Yerba parachain setup. If you’re going to launch your own parachain, this might save your time finding the happy path!

Gas ⛽ Metering for Wasm Programs

Alexander Gryaznov published on 2023-07-04

In this post we consider the following methods of gas metering for Wasm contracts:

By preparatory instrumentation of the program module.
By the Wasm executor engine itself.

Candle Auctions on ink!: DIY NFT Sales

Alexander Gryaznov published on 2021-12-06

The rising NFT market is approaching $12bln in 2021. Despite been touted as a democratizing force for art, relevant researches show that it is still quite far from finding sustainable pricing models. It is exposed to market manipulation and it has an increased entry threshold. To beat all of these shortcomings, let’s Do It Yourself by designing a fair-price Candle Auction smart contract (Github link) to be run on a Polkadot parachain and see how it plays out.

Corda Protocol for Central Bank Digital Currency

Alexander Gryaznov published on 2020-05-13

Central Bank Digital Currency gains interest across the Globe.
Central Banks are conducting research and embarking on Proof Of Concept.
Let’s have a brief look at wholesale and retail CBDC and benefits of its blockchain-alike implementations.

Smartcity Hack Substrate Workshop

Alexander Gryaznov published on 2019-05-31

This is the cheatsheet in addition to my SmartCityHack Workshop