Introduction On the 9th of March 2020, the New York Stock Exchange halted trading for 15 minutes as the result of triggering level 1 circuit breaker caused by a 7% drop in the S&P 500. The last time the circuit breaker kicked in was back in October 1997. What are […]
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What is Bitcoin halving? Bitcoin halving is an event that reduces the supply of newly produced bitcoins by half. It occurs every 4 years or to be precise every 210000 blocks and it is a part of the validation logic in the Bitcoin source code. Bitcoin halving is important to […]
Pub/Sub Before we dive into Kafka let’s start with a quick recap on what publish/subscribe (pub/sub) messaging is. Publish/subscribe is a messaging pattern where the sender (or the publisher) doesn’t send data directly to a specific receiver. Instead, the publisher classifies the messages without knowing if there are any subscribers […]