‘World’s Smartest Man’ Says Bitcoin Will Replace the Dollar Next Year — How High Would 1 BTC Need to Go?
Kurt Robson
Tue, December 9, 2025 at 5:47 AM EST
3 min read
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Key Takeaways
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Younghoon Kim, who calls himself the “world’s smartest man,” claims Bitcoin could replace the U.S. dollar as early as 2026.
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Economists widely reject the idea as implausible.
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Analysts estimate Bitcoin would need to reach approximately $1.5 million per coin
The self-proclaimed “world’s smartest man” has issued another sweeping forecast about the future of cryptocurrency, this time claiming Bitcoin will replace the U.S. dollar as the world’s dominant currency as early as next year.
Even for a sector accustomed to bold predictions, many analysts say this one goes well beyond the boundaries of plausibility.
Latest Claim In A Mountain of Bullish Forecasts
Younghoon Kim, a prominent online figure known for dramatic macroeconomic calls, said this week: “I think Bitcoin may replace USD by 2026.”
The prediction adds to a series of increasingly bullish statements Kim has made about Bitcoin’s long-term price surge.
Earlier this week, Kim, who claims an IQ of 276, told his followers on X that Bitcoin’s current price was just a “temporary discount” caused by market manipulation.
“I think any such manipulation may disappear within a week, and then it could start accelerating toward a new ATH,” he wrote.
This followed the self proclaimed genius predicting that Bitcoin would surge to $220,000 within the next 45 days, more than doubling from current levels.
“As World’s Highest IQ Record Holder, I expect BITCOIN is going to $220,000 in the next 45 days,” he wrote in November.
Supporters and Skeptics Divided
Reactions to the latest claim have been sharply divided, with advocates and non-believers clashing over whether it’s truly possible.
“Look at adoption trends, CBDC trials, and institutional inflows,” one believer wrote.
Others dismissed the prediction as unrealistic, and targeted mockery at Kim’s supposed high IQ.
“I think it’s time for a retest, Kim — this app has definitely taken a few of those IQ points,” one user said.
Can Bitcoin Replace The Dollar?
Economists argue that replacing the U.S. dollar would require seismic shifts in global trade and consumer behavior.
Jon Danielsson, Director of the Systemic Risk Centre at the London School of Economics, said the comparison itself is complex because there is no single definition of money.
Whether Bitcoin could replace central-bank money or on-demand money is unclear, he said, and assumptions about velocity further complicate any model.
Story Continues
Using M1 money across G20 economies as an illustrative benchmark, Danielsson said the total value amounts to about $31 trillion.
At a Bitcoin price of $550,000, holders would command purchasing power of roughly $10 trillion.
To fully match the purchasing power of M1, Bitcoin would need to trade at around $1.5 million per coin, he said.
“These are very rough approximations,” Danielsson noted.
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