Slow Block Validation Attacks
Calculating the potential attack effectiveness of an adversarial miner publishing bitcoin blocks that are difficult to validate.
Hunting the Real Bitcoin Network Hashrate
An exploration of hashrate estimate algorithms with the goal of finding an improved way of determining a more accurate global hashrate estimate.
What is the Bitcoin Network's Real Hashrate?
Bitcoin mining exhibits a lot of randomness, which makes it hard to measure an accurate hashrate. What can we do to improve our estimates?
How Many Bitcoin Confirmations is Enough?
How safe is it to accept a bitcoin transaction after X confirmations? A deep dive into the math behind quantifying double-spend risk.
Was Satoshi a Greedy Miner?
Technical analysis of mining behavior exhibited by an entity that is plausibly Satoshi Nakamoto.
Empty Blocks, Full Mempool
An analysis of Bitcoin blocks mined without any transactions even when there were transactions waiting to be confirmed.
Bitcoin Block Time Variance: Theory vs Reality
How well does the historical distribution of timestamps on bitcoin blocks match the expected distribution?
Are Chinese Miners a Threat to Bitcoin?
Is the concentration of hashpower within the borders of China a cause for concern about a nation state attack against the network?
Bitcoin Timestamp Security
A deep dive into the game theory behind keeping timestamps of bitcoin blocks reasonably accurate.
The Future of Bitcoin Mining
Speculation about long-term changes to the dynamics of who and why people will mine bitcoins.
