Diskussionen in Communitys
Sell/Buy Walls
http://bitcoin.stackexchange.com/questions/16918/what-is-the-strategy-behind-a-sell-wall
http://bitcoin.stackexchange.com/questions/2944/what-is-a-bid-wall
https://en.m.wikipedia.org/wiki/Spoofing_(finance)
https://en.m.wikipedia.org/wiki/Layering_(finance)