Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with security
Search options not deleted
user 662
Security issues with the design or implementation of Bitcoin.
47
votes
8
answers
79k
views
How long would it take a large computer to crack a private key?
I am doing a presentation on Bitcoins and I was looking for some calculations to make people feel safe about the private key encryption. Please first answer, how long in bytes the private key is, the …
- 2,297
2
votes
How long would it take a large computer to crack a private key?
2^256 = 1.1x10^77 = number of key combinations
2^128 = 3.4x10^38 = the average number of guesses needed
According to this website: http://en.wikipedia.org/wiki/TOP500, the fastest supercomputer is …
- 2,297