What’s a better way to hire a smart contract developer than to write a smart contract to do it? That’s what my team thought when we decided to add hiring to the lengthy list of problems that smart contracts promised to solve. We developed a technical hiring smart contract.

57 seconds. That's the time taken to compute the balance of all the accounts on the Ethereum network. The output is a table populated with the addresses, final ether balance, total incoming and outgoing ethers, the total number of incoming and outgoing transactions and the last transacted block. All of these is done without a fully synced node or maintaining a huge database of transactions.

S$99 million was lost to scams in 2017. In the first half of 2018, scams on Carousell rose by 136%. How does this money get moved around, out of Singapore, into the hands of the famous Nigerian prince? I was offered a glimpse into the world of money laundering in back in 2017 as a cryptocurrency trader. I'll take you through a journey of how several innocent and honest folks can find their way to be part of the money laundering scheme. Sit tight.

TL;DR: I couldn't find a load test tool that load test a private ethereum network. I wrote one so that you don't have to. It's called Trebuchet Framework. It toss any load at any service, and generates a pretty report.

Existing products often assume everyone to understand how blockchain works and that there will only be one standardised process. However, this assumption does not hold true and will only alienate the product from regular users and existing fully-functioning systems and processes. Let's take a look at how and why we should design for human users and other systems, followed by how we can build more usable products using Authoritative Fallback Relays (AFRs).