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Have a look at this list, number 15 will surprise you :-) https://github.com/jpantunes/awesome-cryptoeconomics#attacks https://github.com/jpantunes/awesome-cry

Have a look at this list, number 15 will surprise you :-) https://github.com/jpantunes/awesome-cryptoeconomics#attacks https://github.com/jpantunes/awesome-cryptoeconomics#attacks There is nothing a blockchain can do to prevent a stray bullet from harming you or a wrench breaking your knees. What cryptocurrencies can do is create a layer of abstraction between account owners and accounts /wallets, so individuals have plausible deniability and the chance to make a run for it. It's slightly better than a pin or password protected card that you must carry with you.

logifail 8y ago
>> What cryptocurrencies can do is create a layer of abstraction between account owners and accounts /wallets Except it appears that every refugee in the camp is going to have to register if they want to register to receive and exchange tokens for food, and everyone is going to be allocated funds via tokens (weekly? monthly? there must be some cycle), so there's basically no deniability at all, and the abstraction is pretty much worthless. Once your hypothetical insurgant has sourced a $5 wrench, what's to stop them grabbing anyone in the camp on the day tokens are distributed, marching over to the food distribution point, and "helping" the token holder make the required withdrawal?
- decentralised 8y ago
  In the case with the camp, the retina scan is required to "access" the tokens but that's a specific operational requirement. There isn't much you can buy other than food there.
  - logifail 8y ago
    You may think you are preventing a secondary market in the tokens themselves by means of the retina scan, but once the tokens are exchanged for goods it's almost inevitable that a secondary market will develop (prisoners use anything from noodles[0] to cans of tuna fish[1] as their 'currency'). There will also be theft, it just will be of goods, not tokens. A cynic might think that the NGOs and governments will just dismiss these issues as the refugees' problem. "We saw that all funds were distributed to the correct recipient. because blockchain!" Life will find a way. It's not always the way you expect. [0] https://www.theguardian.com/us-news/2016/aug/22/ramen-prison-currency-study https://www.theguardian.com/us-news/2016/aug/22/ramen-prison... [1] https://www.theguardian.com/society/shortcuts/2016/aug/23/what-do-british-prisoners-use-as-currency https://www.theguardian.com/society/shortcuts/2016/aug/23/wh...

logifail 8y ago

>> What cryptocurrencies can do is create a layer of abstraction between account owners and accounts /wallets Except it appears that every refugee in the camp is going to have to register if they want to register to receive and exchange tokens for food, and everyone is going to be allocated funds via tokens (weekly? monthly? there must be some cycle), so there's basically no deniability at all, and the abstraction is pretty much worthless. Once your hypothetical insurgant has sourced a $5 wrench, what's to stop them grabbing anyone in the camp on the day tokens are distributed, marching over to the food distribution point, and "helping" the token holder make the required withdrawal?

decentralised 8y ago
In the case with the camp, the retina scan is required to "access" the tokens but that's a specific operational requirement. There isn't much you can buy other than food there.
- logifail 8y ago
  You may think you are preventing a secondary market in the tokens themselves by means of the retina scan, but once the tokens are exchanged for goods it's almost inevitable that a secondary market will develop (prisoners use anything from noodles[0] to cans of tuna fish[1] as their 'currency'). There will also be theft, it just will be of goods, not tokens. A cynic might think that the NGOs and governments will just dismiss these issues as the refugees' problem. "We saw that all funds were distributed to the correct recipient. because blockchain!" Life will find a way. It's not always the way you expect. [0] https://www.theguardian.com/us-news/2016/aug/22/ramen-prison-currency-study https://www.theguardian.com/us-news/2016/aug/22/ramen-prison... [1] https://www.theguardian.com/society/shortcuts/2016/aug/23/what-do-british-prisoners-use-as-currency https://www.theguardian.com/society/shortcuts/2016/aug/23/wh...