An Illustrated Introduction to Blockchain Technology

Blockchain is a currently hot new concept that contains both technology and finance layers. From a technical and economic perspective, this highly fault‑tolerant peer‑to‑peer network precisely meets the low‑cost trusted environment requirements of the sharing economy . Because blockchain can be a confusing concept for most people, this article uses comics in an easy‑to‑understand format to discuss blockchain technology.

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Blockchain Technology Reshaping the World

Blockchain technology refers to a way of public bookkeeping where every participant maintains a copy of the ledger; the underlying system is essentially a large shared ledger. Currently, each party records its own transactions independently.

Because there is no centralized intermediary, all operations run automatically according to pre‑programmed rules, dramatically reducing costs and increasing efficiency. Since every participant shares the same ledger, the recording process is transparent and publicly auditable.

Blockchain technology is the underlying technology of Bitcoin; Bitcoin has operated for many years without any central authority and has remained stable, prompting observers to abstract its core mechanisms into what is now called blockchain or distributed ledger technology.

According to a report by Spain's largest bank, Santander, if banks worldwide adopted blockchain technology around 2020, they could collectively save about $20 billion per year, illustrating the massive transformation potential for traditional finance.

Cloud computing is usually defined as providing dynamic, scalable, often virtualized resources over the Internet, typically delivered by a centralized provider. In contrast, a blockchain network lacks a specific governing institution, making it closer to the definition of a distributed computing system.

Q‑coin is a centralized electronic currency controlled by Tencent, with a fixed supply and issuance method. In contrast, Bitcoin’s total supply and issuance are predetermined by algorithms and run on nodes worldwide, making it uncensorable and not controlled by any single entity. Q‑coin is generally called an electronic currency or corporate token, while Bitcoin is referred to as a digital or crypto‑currency. This article is reposted from the "Network Optimization Mercenaries" WeChat public account; click the original link to read the full article.

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