Pseudonym

A pseudonym is a persistent assumed name used in place of a legal identity. The most consequential pseudonym in finance is Satoshi Nakamoto, the name under which bitcoin's creator published the white paper on October 31, 2008, wrote code, and posted publicly for about two years before disappearing, identity still unknown.

Why it matters

Pseudonymity separates reputation from legal identity. Satoshi's anonymity means bitcoin has no founder to subpoena, lobby, or elevate into an authority, which supporters consider a structural strength. The concept also describes how bitcoin itself works: activity is recorded not under names but under addresses, which function as pseudonyms. Transactions are fully public, so anyone who links an address to a person can trace their history, which is why analysts call bitcoin pseudonymous rather than anonymous.

In the gold vs bitcoin debate

Physical gold changing hands leaves no ledger at all, making it more private than bitcoin in direct trades, though large purchases through dealers trigger reporting requirements in many jurisdictions. Bitcoin offers the opposite bargain: a permanent public record organized around pseudonyms, transparent enough for chain analysis firms to deanonymize careless users, yet open enough that no gatekeeper decides who may hold an address. Which trade-off is preferable depends on whether one fears surveillance or opaque markets more.