Crypto & Web3 · Explainer
Transaction tracing and on-chain analysis
Because every transaction on a public blockchain is recorded, it is possible to follow the money. Learn how this tracing works, why it relies on assumptions and who can use it.
Topic
Bitcoin
Token & Tech articles on Bitcoin: explainers, analysis and guides with verifiable sources and clearly separated facts and opinions.
Articles on this topic
Crypto & Web3 · Explainer
Why Bitcoin has a fixed supply
The 21 million bitcoin cap is not written in a contract and does not depend on a central bank. It is the result of an issuance rule in the code, checked by every computer on the network.
Crypto & Web3 · Analysis
Bitcoin vs. Ethereum: the fundamental differences
Bitcoin and Ethereum are the two most talked-about blockchains, but they were designed for different problems. Understanding those design choices explains almost every other difference between them.
Crypto & Web3 · Explainer
How the Bitcoin blockchain works
The Bitcoin blockchain is a public ledger that no one controls alone and that becomes harder to alter every ten minutes. Here is how it works, piece by piece.
Crypto & Web3 · Explainer
Crypto wallets: custodial vs. non-custodial
Every crypto wallet answers one question: who controls the private key? The answer determines who can move the funds, who can lose them and whom you will have to turn to if something goes wrong.
Crypto & Web3 · Analysis
Cold wallet or hot wallet: crypto asset security
The difference between a hot wallet and a cold wallet comes down to one detail: whether the private key sits on a device connected to the internet. That detail changes which attacks work against you, but it does not eliminate all of them.
Crypto & Web3 · Explainer
Bitcoin halving: how it works and what it changes
Every 210,000 blocks, the number of new bitcoins created per block is cut in half. See where this rule comes from, what it actually changes and what is just market narrative.
Crypto & Web3 · Explainer
Layer 1 and layer 2: how blockchains scale
Public blockchains process few transactions in order to stay open and secure. Layer 2 networks try to solve this by taking work off the main chain, but they bring risks of their own.
Crypto & Web3 · Explainer
How Bitcoin mining works
Mining Bitcoin means competing to produce the next block in the chain. Here is what miners compute, how the network keeps the pace of one block every ten minutes and why its energy use divides opinion.
Crypto & Web3 · Explainer
What is Bitcoin and how does it work: a complete guide
Bitcoin is at once a network, a set of rules and a unit of digital value. See how the pieces fit together, where the system's security comes from and which risks come with using it.
Crypto & Web3 · Explainer
Privacy on public blockchains: what is visible
On Bitcoin and Ethereum, anyone can see the amounts, dates and addresses of every transaction. The only thing protecting you is the distance between those addresses and your name, and that distance is usually shorter than it looks.