HGT is now listed on Uniswap and as a result can be traded from Metamask (Firefox only at the moment) or on Uniswap. You may be required to add the token yourself — in which case you need to enter the following address 0xba2184520A1cC49a6159c57e61E1844E085615B6 A short while after you have…

using the rpc client to build your own queries when you need null entries — As you are probably aware, the ERC20 transfer event is defined as such event Transfer(address indexed from, address indexed to, uint256 value) The use of “indexed” causes the source and destination addresses to be available to be used in filters by being included in the bloom filters. You use them…

Looking at it from where I stand working for a real financial inclusion product. — In September 2014, from a background of designing automated vision and industrial test systems, I started working at a blockchain startup in Singapore called Tembusu Systems. Our aim was to build a system that had privacy (borrowing elements from Monero) while ensuring accountability so that it could actually work as…

Including how to find the ABI parameters… — Let’s create a contract that has a constructor that requires parameters Deploying this to Rinkeby from remix

A week or so ago, just after the Peepeth community fundraiser came to an end, several people commented that it was sad that such a promising project did not raise more, so we at Akomba came up with the idea of a Devcon collectible, a numbered souvenir ether card specially…

Why my suspicions were immediately raised…. — I was alerted to tokenlogic.co and so I decided to run a quick run down on why this must be a scam and how to avoid being suckered in. The site is very attractive and features a professional looking Youtube Video with a slightly robotic presenter (Rebecca Walker) and seems…

Why HelloGold is developing non fungible gold tokens — Exciting times are ahead for the HelloGold development team. We are developing new token mechanisms for some exciting gold instruments and investigating cross chain technologies. Here is some background. Genesis of HelloGold’s GOLDX token. In mid 2017 HelloGold set out to launch the first Gold backed ERC20 token on the ethereum blockchain, GOLDX.

Great infrastructure is currently really affordable — I was running a parity node on my notebook until about January when it was starting to consume so much disk space that it there was no way that I could keep both the main chain and the test net on disk at the same time. For a while I…

“Poor people can’t afford to take risks. What they have, they need it to survive. Rich people can waste large chunks of their money and still be relatively okay. If the poor did that, they die. It’s ignorant to argue most poor people are lazy — they just can’t take…