mining

Oct
20
Slow Block Validation Attacks

Slow Block Validation Attacks

Calculating the potential attack effectiveness of an adversarial miner publishing bitcoin blocks that are difficult to validate.
3 min read
Oct
01
Hunting the Real Bitcoin Network Hashrate

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.
11 min read
Apr
15
What is the Bitcoin Network's Real Hashrate?

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?
7 min read
Feb
18
How Many Bitcoin Confirmations is Enough?

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.
5 min read
Sep
16
Was Satoshi a Greedy Miner?

Was Satoshi a Greedy Miner?

Technical analysis of mining behavior exhibited by an entity that is plausibly Satoshi Nakamoto.
16 min read
May
29
Empty Blocks, Full Mempool

Empty Blocks, Full Mempool

An analysis of Bitcoin blocks mined without any transactions even when there were transactions waiting to be confirmed.
7 min read
Feb
20
Bitcoin Block Time Variance: Theory vs Reality

Bitcoin Block Time Variance: Theory vs Reality

How well does the historical distribution of timestamps on bitcoin blocks match the expected distribution?
7 min read
Aug
09
Are Chinese Miners a Threat to Bitcoin?

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?
6 min read
Mar
03
Bitcoin Timestamp Security

Bitcoin Timestamp Security

A deep dive into the game theory behind keeping timestamps of bitcoin blocks reasonably accurate.
9 min read
Dec
19
The Future of Bitcoin Mining

The Future of Bitcoin Mining

Speculation about long-term changes to the dynamics of who and why people will mine bitcoins.
7 min read