Antony Denyer

In hyperledger besu, members of a network can communicate privately using private ethereum transactions. The way it works is relatively simple. First, a standard ethereum transaction occurs publicly with an input field containing an enclave key. Then, that enclave key is used to fetch the private transaction. A private transaction is the same as a public ethereum transaction with additional privacy metadata. The privacy metadata contains the privateFrom and the privateFor or the privacyGroupId. [Read More]

In GoQuorum, members of a network can communicate privately using smart contracts. The way it works is relatively simple. First, a standard ethereum transaction occurs in public with the input field containing an enclave key. Then, that enclave key is used to fetch the private contract from your private enclave. [Read More]

Testcontainers is a great project that helps you orchestrate throwaway docker container instances. I wanted to integrate test some smart contracts that I’d been working on with a real ethereum network rather than with ganache. [Read More]

GCP PubSub is an off the shelf hosted message queue system. It offers some reasonably standard features. Conceptually GCP supports topics and subscriptions. You post a message onto a topic, and they fan out to subscriptions. Each subscription can have one or many consumers, with messages being load balanced between them. [Read More]

divide et impera “To gain or maintain power by generating tension among others, especially those less powerful, so that they cannot unite in opposition.” https://idioms.thefreedictionary.com/divide+and+conquer [Read More]