(Read more: 'How cheap money will destroy the world': Denninger)
The changes are all part of his way to protest what he said is a government and economy gone mad. He explained in a blog post:
I choose instead of either active participation through funding of our government's BS or violence to peacefully withdraw my consent. To refuse to labor. To make do with less— a lot less. I choose to reduce my voluntary contribution to the tax hoard that is misspent or forms the foundation against which our government borrows, giving the proceeds to those who think that doping it up is a grand past-time or shoveling guns, missiles and money to terrorists while groping our grannies, using the very existence of the terrorists we gave the guns and missiles to as justification for what any civilized society would call sexual assault.
Denninger's background is in technology, and he was an early pioneer of spreading the Internet. He later became active in politics, primarily as an opponent of the post-financial crisis government bailouts in 2008 and 2009, and is considered one of the early principals of the tea party.
He started the blog in 2007 as a forum both to talk markets and politics, and his chat forums have offered up frequently virulent debate.
(Read more: On the brink: Senate to meet as shutdown looms)
In his post explaining his change in approach, he said he'd simply had enough:
I refuse to continue to silently accede to, and actively fund through my drive to acquire that measured in and rewarded by "wealth", the rampant theft and fraud that has and continues to take place in the economic sector, especially in the banking and health care areas of our economy. None of this could ever exist except through the insertion of the guns of government up the noses of the American people.
I can no longer live with being one of the better sources of funding for these abuses. This decision did not come lightly, easily or quickly. But I'm convinced it's the right choice as things stand today.
In short, if you want it in two words, it's this: I'm done.
—By CNBC's Jeff Cox. Follow him @JeffCoxCNBCcom on Twitter.