Bitcoin News

Story: Adam Back Fires Back at Mark Cuban’s Bitcoin Sell-Off With Hard Performance Numbers

By Jean-Luc Maracon

1 / 15

The Performance Data Back Is Pointing To. After tensions in the Middle East escalated, Bitcoin climbed 25-30% off a low near $60,000.

2 / 15

Cuban's Ethereum Preference and What It Tells Us. Cuban hasn't walked away from crypto entirely. He's said before that he prefers Ethereum's…

3 / 15

What the Disagreement Actually Comes Down To. The Back-Cuban back-and-forth is basically a proxy fight over Bitcoin's identity.

4 / 15

Mark Cuban dumped most of his Bitcoin. Adam Back says the timing couldn't have been worse.

5 / 15

Cuban went public recently about selling the bulk of his Bitcoin holdings, arguing the asset had "lost the plot.

6 / 15

Back, who runs Blockstream, pushed back hard — and he brought numbers.

7 / 15

After tensions in the Middle East escalated, Bitcoin climbed 25-30% off a low near $60,000. Over the same stretch, the S&P 500 gained 11%.

8 / 15

Cuban's critique draws from a different window, though. He's referencing a period when Bitcoin dropped more than 40% while gold climbed to $5,000. That's a real data point.

9 / 15

Back's answer to the 40%-drop period is the "10/10 event" — his shorthand for a specific geopolitical shock — and the halving cycle.

10 / 15

That's a fair enough distinction. But it's also a bit convenient — it lets Bitcoin's supporters explain away any underperformance as "cycle timing" rather than structural weakness.

11 / 15

Cuban hasn't walked away from crypto entirely. He's said before that he prefers Ethereum's prospects. That's an interesting tell.

12 / 15

More context: XRP Beats Bitcoin and Ethereum in ETF Flows for Second Straight Week

13 / 15

Back's long-term case for Bitcoin rests on risk-adjusted returns. He says Bitcoin has outperformed equities, gold, and real estate over the long run.

14 / 15

That's a coherent investment philosophy. It's also one that requires a stomach most retail investors — and apparently some billionaires — don't have.

15 / 15

Cuban's frustration seems to come from a mismatch between expectation and reality. He wanted Bitcoin to behave like digital gold: steady, rising when fiat weakens, reliable in a…

The Currency Analytics

Want the full story?