bitcoin

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
Aug
23
Problems with Coinbase Withdrawal Fees

Problems with Coinbase Withdrawal Fees

An analysis of odd transaction fee issues when withdrawing bitcoin from Coinbase.
5 min read
Aug
13
How Many Bitcoin Seed Phrases Are Only One Repeated Word?

How Many Bitcoin Seed Phrases Are Only One Repeated Word?

An exploration into the combinatoric math behind seed phrase mnemonics and their checksums.
4 min read
May
04
Griefing Bitcoin's Testnet

Griefing Bitcoin's Testnet

A deep dive into manipulation of block generation on testnet and a call to reset the network to fix several issues.
11 min read
Apr
20
The Untold Story of ditto-b

The Untold Story of ditto-b

The story of an anonymous developer who fixed a critical flaw in Bitcoin's code.
5 min read
Feb
04
When do Bitcoin Node Operators Upgrade?

When do Bitcoin Node Operators Upgrade?

An analysis of historical Bitcoin Core node versions to examine the updating behavior of node operators over the years.
6 min read
Jan
06
Bitcoin 2023 Annual Review

Bitcoin 2023 Annual Review

Comprehensive coverage of metrics across a number of different verticals in the Bitcoin ecosystem to gauge performance in 2023.
20 min read
Dec
24
2023 Bitcoin Node Performance Tests

2023 Bitcoin Node Performance Tests

Testing full validation sync performance of 7 Bitcoin node implementations.
8 min read
Dec
16
Economically Unspendable Bitcoin UTXOs

Economically Unspendable Bitcoin UTXOs

UTXO management guidance for avoiding footguns that can cause problems during times of high transaction fees.
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