Dissectiong the Bitcoin Double Spend Attack

Dissectiong the Bitcoin Double Spend Attack A paper has recently surfaced entitled "Two Bitcoins at the Price of One? Double-Spending Attacks on Fast Payments in Bitcoin" which purports to have successfully crafted fraudulent double-spend transactions. It's an amazing paper and the vulnerability it discloses is a big deal - it's also 17 pages long and filled with enough arcane-looking math to make your head spin. This is an extremely important subject to understand since it changes the way merchants should look at unconfirmed Bitcoin transactions and the educated opinions of users will determine how we should move forward. This paper may be an erudite 17 page masterpiece, but useful to the average user it ain't. Let's see if we can simplify things, shall we? Let's start by defining what it means to "double-spend." Let's say we're in a gold-based economy (wishful thinking, ...

Full article: http://codinginmysleep.com/bitcoin-double-spend/

Tweets

@AAinslie » 29 Sep '12, 7am
Dissecting the #Bitcoin Double Spend Attack [link] $BCOIN $$
@msgbi » 25 Sep '12, 1pm
Dissecting the Bitcoin Double Spend Attack » Coding In My Sleep [link]
@sn0wcr4sh » 25 Sep '12, 7am
double-spending issue by bitcoin (zero-confirmation transactions only) [link]
@thomas_quinlan » 25 Sep '12, 6am
RT @jonmatonis: Great post by David Perry @KJ6CCZ on "Dissecting the Bitcoin Double Spend Attack" [link] #bitcoin
@jonmatonis » 25 Sep '12, 6am
Great post by David Perry @KJ6CCZ on "Dissecting the Bitcoin Double Spend Attack" [link] #bitcoin
@muz4664 » 24 Sep '12, 11pm
RT @WeldPond: Dissectiong the Bitcoin Double Spend Attack [link]
@revskills » 24 Sep '12, 9pm
RT @jedisct1: Dissectiong the Bitcoin Double Spend Attack: [link]
@bitcoinmoney » 24 Sep '12, 9pm
There is a risk to accepting a trx before it has confirmed. MT @KJ6CCZ Protect against double spending: [link] #Bitcoin
@WeldPond » 24 Sep '12, 9pm
Dissectiong the Bitcoin Double Spend Attack [link]
@BitCoinReporter » 24 Sep '12, 9pm
Dissecting the Bitcoin Double Spend Attack [link] #bitcoin
@HackerYolk » 24 Sep '12, 9pm
First known double-spend attack on Bitcoin - [link] /HN
@hnfirehose » 24 Sep '12, 8pm
First known double-spend attack on Bitcoin: [link]
@KJ6CCZ » 24 Sep '12, 8pm
A new vulnerability threatens the security of unconfirmed #Bitcoin transactions. Learn how to protect yourself [link]
@marinusva » 25 Sep '12, 1pm
#bitcoin double spend attack [link]
@j0sema » 25 Sep '12, 7am
RT @jonmatonis: Great post by David Perry @KJ6CCZ on "Dissecting the Bitcoin Double Spend Attack" [link] #bitcoin
@martingeddes » 25 Sep '12, 7am
RT @jonmatonis: Great post by David Perry @KJ6CCZ on "Dissecting the Bitcoin Double Spend Attack" [link] #bitcoin
@sambowne » 25 Sep '12, 5am
RT @WeldPond: Dissectiong the Bitcoin Double Spend Attack [link]
@rmhrisk » 25 Sep '12, 12am
RT @WeldPond: Dissectiong the Bitcoin Double Spend Attack [link]
@jedisct1 » 24 Sep '12, 9pm
Dissectiong the Bitcoin Double Spend Attack: [link]