BTS relay

[xeroc]

It certainly is possible. If not with current features then with a new feature. Recall that BTS is as turing complete as Ethereum. Deploying features just takes more efforts

[jaran]

is it possible to develop a bts to ethereum relay?

See btcrelay as example http://btcrelay.org/

there is currently a large bounty for a doge relay http://ethdoge-bounty-status.meteor.com/