# Contract Development # - http://ethereum.stackexchange.com/q/2940/87 - http://ethereum.stackexchange.com/q/3514/87 - http://ethereum.stackexchange.com/q/2404/820 - http://ethereum.stackexchange.com/questions/191/how-can-i-securely-generate-a-random-number-in-my-smart-contract - http://ethereum.stackexchange.com/questions/144/can-contracts-pay-the-gas-instead-of-the-message-sender [tag:contract-development][tag:contract-debugging][tag:contract-design] ### High Level Languages ### [tag:serpent][tag:solidity] ### Compilers ### [tag:compilation][tag:browser-solidity][tag:solc]