Why Warren Buffett Called Bitcoin “Rat Poison” β€” The Illusion of Crypto and the Greater Fool Theory

πŸ“… Published: March 21, 2026  |  For informational purposes only β€” not financial advice.

πŸ“Œ Warren Buffett’s Exact Words on Bitcoin

  • 2018: “Bitcoin is rat poison squared” β€” Berkshire Hathaway Annual Meeting
  • 2019: “Cryptocurrency has no unique value at all”
  • 2022: “I wouldn’t buy all the bitcoin in the world for $25”
  • Buffett has held this view consistently for over a decade

πŸ“– Source: Berkshire Hathaway Annual Meetings 2018–2022; CNBC interviews

β‘  The Greater Fool Theory β€” Explained

The “Greater Fool Theory” is an economic concept that explains why people buy assets with no intrinsic value β€” they believe someone else (a “greater fool”) will buy it at a higher price later.

Asset Type Intrinsic Value Source Buffett’s View
Stocks Corporate earnings, dividends, assets βœ… Loves
Bonds Interest payments, principal return ⚠️ Situational
Real Estate Rental income, land value βœ… Loves (selectively)
Gold Limited industrial use, psychological store of value ⚠️ Skeptical
Bitcoin ❌ None (in Buffett’s framework) ❌ Strongly opposes

β‘‘ The Counter-Argument: Why Bitcoin Bulls Disagree

In fairness, Bitcoin’s supporters make legitimate counterpoints that deserve consideration:

Bull Argument Bear Counter
Fixed supply (21M coins) = inflation hedge Price volatility makes it a poor inflation hedge
Decentralization = censorship resistance Most holdings are on centralized exchanges
Institutional adoption (ETFs, BlackRock) Institutional money = greater fool risk at scale
“Digital gold” narrative Gold has 5,000 years of history; Bitcoin has 15

πŸ“– Sources: ARK Invest “Big Ideas 2025”; Fidelity Digital Assets Research; JPMorgan Crypto Report (2024)

β‘’ Key Lesson for Investors

πŸ“Œ Buffett’s Core Investing Principle

Price is what you pay. Value is what you get.” β€” Warren Buffett

The question isn’t whether Bitcoin goes up or down. The question is: does it produce value? If your return depends entirely on finding someone willing to pay more β€” that’s speculation, not investing.

⚠️ Disclaimer: This article presents multiple perspectives and is for educational purposes only. It does not constitute financial advice. All investments involve risk.

πŸ“š Sources

  • Berkshire Hathaway Annual Meeting Transcripts (2018–2022)
  • CNBC β€” Buffett interviews on cryptocurrency
  • ARK Invest β€” “Big Ideas 2025”
  • Fidelity Digital Assets β€” “Bitcoin Investment Thesis” (2024)
  • JPMorgan β€” “Cryptocurrency Market Outlook” (2024)

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