Karim is a Senior R&D Analyst at Coin Metrics. He’s focused on network data and is particularly interested in mining, privacy, and derivatives. Karim was formerly an independent researcher and graduated from Carnegie Mellon University with a degree in Statistics and Machine Learning.
Measuring Ethereum Miner Activity
The Ethereum community has always had a somewhat strained relationship with miners. The network’s proof of work algorithm, Ethash, was explicitly designed to be resistant to ASIC mining and hence miner professionalization. Since then, the network’s migration to Proof of Stake has begun, with the ultimate goal of obviating miners’ [...]
Recent
Derivatives’ Disparities: Surveying the Bitcoin Perpetual Swap Market (Full Length)
Key Takeaways The derivatives market is fragmented and contract terms differ dramatically across exchanges. The quality of documentation in the [...]
When Markets Misalign: Mispricings and Reference Rates
Price discrepancies between exchanges can emerge for a variety of reasons, including market manipulation, exchange downtime, and trader error. These [...]
When Markets Misalign: Mispricings and Reference Rates (Full Length)
Key Takeaways Price discrepancies between exchanges can emerge for a variety of reasons, including market manipulation, exchange downtime, and trader [...]
The Half-Time Show: The State of Bitcoin Network Security After the Halving
Block rewards are currently the primary source of revenue for miners. A reduction in this reward due to the halving [...]
The Signal and the Nonce Redux: From S9s to S17s
As Bitcoin enters its next halving, the network is experiencing several simultaneous transitions. In addition to the severe change in [...]