Who is Hal Finney?
Hal Finney was a software developer, cipherpunk and cryptography advocate who worked on many relevant security-related software projects, the original Bitcoin Core source being on...
Why are there so many cryptocurrencies?
Why so many cryptocurrencies? Are all of them as complex as Bitcoin? Currently, the Crypto.BI cryptocurrency list has over 1993 entries. What's behind this crypto diversity?
Opinion: Bitcoin no longer a contrarian investment [February, 2018]
Early Bitcoin investors got used to the common sense that cryptocurrencies were an alternative to the mainstream financial system. True that Satoshi’s original vision, where each user could mine a bit of BTC per day as a reward for keeping their full node running, may have seemed like a revolutionary alternative to the mainstream financial […]
bitcoind.cpp – Commented Bitcoin source code
As mentioned in the Bitcoin-Qt commented source code post, there are several approaches one can take to step into the Bitcoin source in approximately the same order as it runs. For instance, tests are a great source of tiny example programs. Then there’s the ubiquitous Bitcoin-Qt client and, of course, bitcoind. All are good options […]
Crypto.BI Toolbox – Python tools
Under the python/ subdirectory at the root of the Toolbox distribution you’ll find the … you guessed it … Python implementation of blockchain tools. So, how do you know which tools are in the Python subdir and which ones are in the C++ tree? Rule of thumb is: if it must use Bitcoin Core, then […]
Concepts In This Page
Bitcoin is the world's first viable decentralized cryptocurrency. It was released on January 2009 by Satoshi Nakamoto.
A Bitcoin Puzzle is a cryptographic puzzle which carries Bitcoin as a reward. Those able to break the cryptography obtain access to the private key needed to unlock the Bitcoin.
A process or system by which multiple parties are able to reach consensus. In the context of cryptocurrencies, it's the process which allows for everyone to agree on everyone else's money balance. E.g. Bitcoin employs Nakamoto consensus via PoW mining.
A concept of value exchange that does not require physical tokens (coins or paper cash) to be used in order to trade. Cryptocurrencies are a type of digital money.
A distributed ledger is a decentralized financial database with data stored across multiple locations.
Hal Finney was a cryptographer who pioneered the development of Bitcoin. Finney received the first ever Bitcoin transfer.