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Re:The NSA has linked the WannaCry computer worm to North Korea by mirimir on Wednesday June 14, 2017 @10:06PM (#14557449)
Mixing $140,000 in Bitcoin would be trivial.

For example, bitmixer.io holds ~1000 BTC reserve for mixing, which is currently worth ~$2.5 million. So ~60 BTC could be safely mixed over a few days.

Decent mixers:

bitmixer.io (bitmixer2whesjgj.onion)

Bitcoin Fog (foggedddxlunnaaa.onion)

Helix (grams7enufi7jmdl.onion/helix/light)

I'm not aware that exchanges have blacklisted any mixers. There has been talk of blacklisting stolen Bitcoin, but I don't believe that's been done either.

Re:The NSA has linked the WannaCry computer worm to North Korea by Legogris on Thursday June 15, 2017 @04:55AM (#14558816)
Or just convert it to an anonymous cryptocurrency, say, Monero or ZCash. No need to trust these mixers (which can take your coins and have been shown to be reversible in the past) anymore. There is also TumbleBit (https://github.com/BUSEC/TumbleBit), which looks interesting.
Re:The NSA has linked the WannaCry computer worm to North Korea by mazamats on Wednesday June 14, 2017 @11:56PM (#14557844)
Just a warning to anyone new to the BTC scene.

DO NOT USE BitcoinFog

Re:The NSA has linked the WannaCry computer worm to North Korea by mirimir on Thursday June 15, 2017 @12:31AM (#14557944)
Why?

I've used them for years. They've been slow a few times, but I've never lost anything.

There are persistent hater threads on Bitcoin Forum, however. And they've gotten some bad PR from some major Bitcoin thefts. Also, the Sheep Marketplace owner did screw up by mixing 96000 BTC in one go. But that still wasn't how he got pwned.

Re:The NSA has linked the WannaCry computer worm to North Korea by sattoshi on Thursday June 15, 2017 @12:00AM (#14557855)
Why?