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Posting this as a top level comment as well (probably a better idea): The coins stolen are XEM (https://nem.io/ https://nem.io/) not Bitcoin. They're currently

Posting this as a top level comment as well (probably a better idea): The coins stolen are XEM (https://nem.io/ https://nem.io/) not Bitcoin. They're currently tracking the stolen coins to ensure they are not sold. Preliminary evidence suggests that it was a private key stolen and not a network problem. Disclaimer: Am somewhat associated with the team, and I hold a small amount of XEM. Feel free to ask questions.

onewhonknocks 9y ago
'Am somewhat associated with the team' Can you please be more specific? It was almost not worth saying unless you'll be more specific IMHO.
- ReverseCold 9y ago
  Sorry, I'll clarify. I'm in the chat group quite a bit and have contributed to the wallet source code. I said partially as I'm not involved as an "official" capacity.
  - onewhonknocks 9y ago
    Thank you for responding!
VMG 9y ago
any calls for a hardfork yet?
- larkeith 9y ago
  The president of the NEM.io Foundation is against it [1] [1] https://twitter.com/2017Lon/status/956880456154099712?s=17 https://twitter.com/2017Lon/status/956880456154099712?s=17
- ReverseCold 9y ago
  Nope, they're against hardforking. The current measure being taken is just tainting the hacker's accounts and blocking them at exchanges.
JumpCrisscross 9y ago
Sorry, do you have a source for any of your claims?
- ReverseCold 9y ago
  The Japanese press conference - English translations are here: https://twitter.com/kanemoneyqian https://twitter.com/kanemoneyqian
deleted 9y ago
[deleted]
tzahola 9y ago
>and I hold a small amount of XEM. *held :^)
- CyberDildonics 9y ago
  I doubt someone who actually understands crypto currencies is keeping their money on an exchange, since this exact thing can happen.
  - ReverseCold 9y ago
    Yup, my coin is safe.
ask098 9y ago
Bitcoin and All crytocurrency is nothing but Pyramid scheme!!!!!!
justboxing 9y ago
Over 100 Million XRP ( Ripple ) worth 130 Million USD was also allegedly stolen. Source: Here's the original tweet from Bloomberg Tech Reporter in Toyko, Yuji Nakamura. https://twitter.com/ynakamura56/status/956790270036619265 https://twitter.com/ynakamura56/status/956790270036619265 Tweet In English: > Japanese crypto exchange Coincheck halts withdrawals, deposits, trading in NEM. Rumors is a big chunk was moved from their wallet. Also seems >$130m of XRP moved out too. I called Coincheck, but they wouldn't answer questions and asked me to email them Here's the actual Ripple XRP Transaction that is moving the 101-ish Million XRP out of the Coincheck account. https://xrpcharts.ripple.com/#/transactions/FC32DBF1C0CE6780A669349FEDF7BD9EC18033EB79B3DC8F1ADBAE9B5EAD3EF8 https://xrpcharts.ripple.com/#/transactions/FC32DBF1C0CE6780... Here's a news page / story that is following this and updating it frequently. It mentions that XRP was also stolen in addition to NEM. https://bitpinas.com/news/coincheck-suspends-nem-trading-rumor-460m-xem-lost/ https://bitpinas.com/news/coincheck-suspends-nem-trading-rum...
- ReverseCold 9y ago
  The 530M figure was in XEM (been floating around $1) - but that may be an additional amount.
- TheAdamist 9y ago
  The stolen 101m xrp moved into an account that already had 3billion xrp? That seems odd to begin with. Is it another exchange or coin tumbler or something?
  - ribosometronome 9y ago
    That wallet only has 45 transactions on it -- that doesn't seem reasonable for a tumbler or an exchange, does it? Also, 3 billion XRP means that they have 12% of all circulating XRP right now.
AznHisoka 9y ago
So if they're tracking the coins to ensure they're not sold, and assuming it's never sold, wouldn't that mean the price of XEM should increase, as the supply has now decreased?
- twinkletwinkle 9y ago
  If 100 million of them were stolen you could also imagine that decreasing demand.
- deleted 9y ago
  [deleted]
michaelbuckbee 9y ago
Genuinely curious: How do you know a private key is stolen with a cryptocurrency? Is there some sort of secondary proof mechanism?
- diegocerdan 9y ago
  If funds move out from your wallet without your intervention then somebody else has to have your key.
  - michaelbuckbee 9y ago
    Yes, but from the exchange's perspective: How do they know? I'm presuming that in this case (given the amount) that this was not a typical user. But is there some framework of dispute for lesser amounts?
    - acct1771 9y ago
      Dispute?
    - ripberge 9y ago
      If a key was indeed stolen, they must have stole the keys to the exchange's wallet, not a user's wallet. I heard in the press conference they don't have a multi-sig wallet so all it took was one key and not multiple keys.
    - deleted 9y ago
      [deleted]
    - infinity0 9y ago
      It is not possible to move funds unless you have the private key, or if you have broken the cryptographic scheme the key uses. Since the funds have moved (visible on the overall distributed blockchain system, where everything is public), either of the two scenarios must have happened. It really is that simple, there are no other "moving parts" or "possible human error" in other parts of the system here.

onewhonknocks 9y ago

'Am somewhat associated with the team' Can you please be more specific? It was almost not worth saying unless you'll be more specific IMHO.

ReverseCold 9y ago
Sorry, I'll clarify. I'm in the chat group quite a bit and have contributed to the wallet source code. I said partially as I'm not involved as an "official" capacity.
- onewhonknocks 9y ago
  Thank you for responding!

VMG 9y ago

any calls for a hardfork yet?

larkeith 9y ago
The president of the NEM.io Foundation is against it [1] [1] https://twitter.com/2017Lon/status/956880456154099712?s=17 https://twitter.com/2017Lon/status/956880456154099712?s=17
ReverseCold 9y ago
Nope, they're against hardforking. The current measure being taken is just tainting the hacker's accounts and blocking them at exchanges.

JumpCrisscross 9y ago

Sorry, do you have a source for any of your claims?

ReverseCold 9y ago
The Japanese press conference - English translations are here: https://twitter.com/kanemoneyqian https://twitter.com/kanemoneyqian

deleted 9y ago

[deleted]

tzahola 9y ago

>and I hold a small amount of XEM. *held :^)

CyberDildonics 9y ago
I doubt someone who actually understands crypto currencies is keeping their money on an exchange, since this exact thing can happen.
- ReverseCold 9y ago
  Yup, my coin is safe.

ask098 9y ago

Bitcoin and All crytocurrency is nothing but Pyramid scheme!!!!!!

justboxing 9y ago

Over 100 Million XRP ( Ripple ) worth 130 Million USD was also allegedly stolen. Source: Here's the original tweet from Bloomberg Tech Reporter in Toyko, Yuji Nakamura. https://twitter.com/ynakamura56/status/956790270036619265 https://twitter.com/ynakamura56/status/956790270036619265 Tweet In English: > Japanese crypto exchange Coincheck halts withdrawals, deposits, trading in NEM. Rumors is a big chunk was moved from their wallet. Also seems >$130m of XRP moved out too. I called Coincheck, but they wouldn't answer questions and asked me to email them Here's the actual Ripple XRP Transaction that is moving the 101-ish Million XRP out of the Coincheck account. https://xrpcharts.ripple.com/#/transactions/FC32DBF1C0CE6780A669349FEDF7BD9EC18033EB79B3DC8F1ADBAE9B5EAD3EF8 https://xrpcharts.ripple.com/#/transactions/FC32DBF1C0CE6780... Here's a news page / story that is following this and updating it frequently. It mentions that XRP was also stolen in addition to NEM. https://bitpinas.com/news/coincheck-suspends-nem-trading-rumor-460m-xem-lost/ https://bitpinas.com/news/coincheck-suspends-nem-trading-rum...

ReverseCold 9y ago
The 530M figure was in XEM (been floating around $1) - but that may be an additional amount.
TheAdamist 9y ago
The stolen 101m xrp moved into an account that already had 3billion xrp? That seems odd to begin with. Is it another exchange or coin tumbler or something?
- ribosometronome 9y ago
  That wallet only has 45 transactions on it -- that doesn't seem reasonable for a tumbler or an exchange, does it? Also, 3 billion XRP means that they have 12% of all circulating XRP right now.

AznHisoka 9y ago

So if they're tracking the coins to ensure they're not sold, and assuming it's never sold, wouldn't that mean the price of XEM should increase, as the supply has now decreased?

twinkletwinkle 9y ago
If 100 million of them were stolen you could also imagine that decreasing demand.
deleted 9y ago
[deleted]

michaelbuckbee 9y ago

Genuinely curious: How do you know a private key is stolen with a cryptocurrency? Is there some sort of secondary proof mechanism?

diegocerdan 9y ago
If funds move out from your wallet without your intervention then somebody else has to have your key.
- michaelbuckbee 9y ago
  Yes, but from the exchange's perspective: How do they know? I'm presuming that in this case (given the amount) that this was not a typical user. But is there some framework of dispute for lesser amounts?
  - acct1771 9y ago
    Dispute?
  - ripberge 9y ago
    If a key was indeed stolen, they must have stole the keys to the exchange's wallet, not a user's wallet. I heard in the press conference they don't have a multi-sig wallet so all it took was one key and not multiple keys.
  - deleted 9y ago
    [deleted]
  - infinity0 9y ago
    It is not possible to move funds unless you have the private key, or if you have broken the cryptographic scheme the key uses. Since the funds have moved (visible on the overall distributed blockchain system, where everything is public), either of the two scenarios must have happened. It really is that simple, there are no other "moving parts" or "possible human error" in other parts of the system here.