Building a Mandel 3.1.x binary package

Pomelo is a grant matching platform for public good projects. This season is backed by a pool worth more than $900k, and the voting ends in about two weeks. Every small contribution counts, and the projects with higher participant counts are rewarded better. I’m applying for two grants this time: Sponsorship for bdata.one hosting (EOS Big Data) Writing a book for EOSIO contract developers (EOSIO Contract Developer Cookbook)

As some of you may know, I’ve been working on EOSIO history processing since summer 2018. A lot has been done in order to be able to extract the data from a fast blockchain like EOS with its enormous speed and load. About two years ago, I started collecting daily…

Pomelo is a new grant allocation platform on EOS mainnet, launched just a couple of weeks ago. It just boomed with a bunch of awesome projects in a matter of a few days. Every vote matters. Please send, even a tiny amount will make a difference in quadratic voting. My…

In my previous post I described the approach that we’re using on our production servers: physical RAM is larger than WAX state size, and the nodeos state is stored in a tmpfs partition. But WAX RAM consumption is growing quite fast: thousands of new accounts are created daily, and thriving…

Recent hack of EOSX Vault has added one more item to a standard security checklist in smart contract auditing. It makes sense to describe them all in one post. 1. Check the token contract Older CDT versions did not offer a nice wrapper for apply() handler, so the contract authors needed to pay more attention…

The WAX blockchain has grown in usage and size pretty dramatically. On May 8th 2021, 307k unique accounts have executed 51 million actions. On February 8th, it was 18k and 6 million, correspondingly. Back in February, a typical nodeos setup would include a baremetal server with 3.5Ghz or faster Intel…

It’s a common struggle for every dapp builder that transactions may disappear from the blockchain while their blocks are not final. A microfork, resulting in a few blocks reevaluated and newly signed, might not include the transaction you’ve already seen. …

Dan Larimer, former CTO of Block.One, has published a draft of EOS Community Governance Proposal. There’s over a 100 valuable comments by the time of this writing, and I’ll try to summarize my own thoughts here. Even at the start of EOS mainnet history, we’ve seen a very low participation…

Elrond is a relatively new player on the blockchain market, offering a new and scalable platform for WASM smart contracts. In this article I summarize the differences, advantages and disadvantages between two platforms that I found while reading through Elrond documentation. …