Proof of stake Varianten https://en.wikipedia.org/wiki/Proof-of-stake

Security-deposit based security and authentication

https://blog.ethereum.org/2015/08/01/introducing-casper-friendly-ghost/

Casper resources

https://souptacular.gitbooks.io/ethereum-tutorials-and-tips-by-hudson/content/proof-of-stake_resources.html

On Stake

SHA256(prevhash + address + timestamp) “users may be unwilling to sign anything if there are two alternatives of a block at a given height”

https://blog.ethereum.org/2014/11/25/proof-stake-learned-love-weak-subjectivity/

Casper, “the friendly GHOST”

https://blog.ethereum.org/2015/08/01/introducing-casper-friendly-ghost/

Nothing at stake attack

Long-Range Attack

Byzantine fault tolerance

https://en.wikipedia.org/wiki/Byzantine_fault_tolerance

Bitcoins Untergang

Statoshi.info

http://statoshi.info/dashboard/db/transactions

BitcoinJ 0.14 kommt demnächst (mit bessere Fee-Berechnung)

Andreas Antonopoulous beim Blockchain Meetup Berlin

http://www.meetup.com/Blockchain-Meetup-Berlin/events/229025415/

https://www.youtube.com/watch?v=d0hxWC7sP2k

http://bitcoinclock.com/

Bitstamp & Deutsche Bank

Mycelium Local-Trader