A description of known problems in Satoshi Nakamoto's paper, "Bitcoin: A Peer-to-Peer Electronic Cash System", as well as notes on terminology changes and how Bitcoin's implementation differs from that described in the paper.
The longest chain not only serves as proof of the sequence of events witnessed, but proof that it came from the largest pool of CPU power.
| INTRO | |
| I get asked regularly for good resources on AWS security. This gist collects some of these resources (docs, blogs, talks, open source tools, etc.). Feel free to suggest and contribute. | |
| Short Link: http://tiny.cc/awssecurity | |
| Official AWS Security Resources | |
| * Security Blog - http://blogs.aws.amazon.com/security/ | |
| * Security Advisories - http://aws.amazon.com/security/security-bulletins/ | |
| * Security Whitepaper (AWS Security Processes/Practices) - http://media.amazonwebservices.com/pdf/AWS_Security_Whitepaper.pdf | |
| * Security Best Practices Whitepaper - http://media.amazonwebservices.com/AWS_Security_Best_Practices.pdf |
| [ben@laptop:nmap-rspec2]% rspec -f d -c nmap-rspec.rb | |
| the scan of the IP ranges | |
| Starting Nmap 6.46 ( http://nmap.org ) at 2014-07-06 23:21 EDT | |
| Nmap scan report for 141.101.117.49 | |
| Host is up (0.26s latency). | |
| PORT STATE SERVICE | |
| 20/tcp filtered ftp-data | |
| 21/tcp filtered ftp | |
| 22/tcp filtered ssh |
| # to generate your dhparam.pem file, run in the terminal | |
| openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048 |
| ~/$ lein new ring-on-heroku | |
| Created new project in: /home/jim/Development/ring-on-heroku | |
| ~/$ cd ring-on-heroku | |
| ~/ring-on-heroku$ echo 'web: lein run -m ring-on-heroku.core' > Procfile | |
| ~/ring-on-heroku$ cat > src/ring_on_heroku/core.clj | |
| (ns ring-on-heroku.core | |
| (:use ring.util.response | |
| ring.adapter.jetty)) | |
| (defn app [req] |