A safe trading build as another warp:

Make the wall thicker to solve this problem, and the water streams longer. Disable jump inside the trade area (Worldguard). Problem solved.

 

This will not be added. I've already showed Noobcrew this and they're making a trade plugin that is better then this.

 

but i think you do need it in the game... it is importent (whil building, we can fix everything...)

 

Thx so mush for showing him! can u update me on the plugin as well?

 

Speak to theway2cool (The Developer). He's writing the plugin and I think how it works you right click on a player you want to trade with and they get a request and they have to right click you and you both go into a trade screen and I think he's making it so you can't trade illegal items which is awesome and you place the items ur trading for on your side and the other player puts on his side and theres colour wools in the middle green and red , move the green to accept, move the red to decline if you accept the wool turns grey and if you decline then trade screen goes and you get your items back =P

I think thats how it's going to work ^

 

Correct.
All except one part, you don't right click a player to invite them, you do /trade invite <player>, and then the player types /trade deny or /trade accept.

 

how about if the player doesn't pay, do /nuke on ONLY THAT PLAYER
and another one to destroy his items

 

But what if you're standing next to the nuked person?