Early attempts to revolutionize the financial system

WhiteBIT
Published 12 August 2021
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Bitcoin is often thought to be the father of all other cryptos. However, the idea of digital money appeared long before BTC. Let’s look at some projects that embodied the concept of e-cash before Satoshi Nakamoto’s solution stepped in.

Smartcards. One of the earliest examples of virtual money is the smartcards used to pay for gas. The owners of a gas station in the Netherlands were tired of nighttime thefts and introduced the smartcards that truck drivers used instead of paper money.

DigiCash. The American cryptographer David Chaum developed the concept of a digital currency that could be transferred between individuals securely and privately, bearing a signature of authenticity. It was based on the so-called blind signature technology.

B-Money. A developer called Wei Dai presented the idea of a contract-based decentralized network to transfer funds anonymously and without intermediaries. This solution was even cited in Bitcoin’s whitepaper, so its influence on the evolution of the digital payments system is undeniable.

Bit Gold. The cryptologist Nick Szabo proposed an e-currency system whose Proof-of-Work function is somehow implemented in various today’s cryptos mining processes. Bit Gold embodied a decentralized system that did not rely on third parties to confirm transactions.

HashCash. It was developed by Adam Beck, a cryptographer who suggested using the PoW protocol for transaction confirmation. HashCash failed because of scalability issues, but it definitely had an impact on Bitcoin’s development.

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