SEC's Gary Gensler is waging war against crypto. Here's a look at how his views on the industry have evolved over the years

• The SEC has waged war against the cryptocurrency industry this year with a string of lawsuits.
• At the heart of it is SEC chief Gary Gensler – who has railed against crypto since taking office.
• Amid his regulatory battle against crypto, Insider maps the evolution of his views on the sector.

Newsflash: Gary Gensler doesn't much like the cryptocurrency industry. 

The chair of the Securities and Exchange Commission has waged all-out war on the digital-asset sector since his appointment in 2021 – gaining praise from cryptocurrency skeptics and backlash from its supporters. 

Now the battle is getting messier. On Tuesday, America's chief regulatory body suffered its most severe setback so far – after an appeals court overturned its decision to block a spot Bitcoin exchange-traded fund proposed by Grayscale Investments.