pull down to refresh

To the best of my understanding, back then Luke was working to try to restrain OP_RETURN data blobs with the (still active) spam filter we all know and love (max 80 bytes).

This is basically what datacarriersize is.

Here are the revelant Pull Requests:
https://github.com/bitcoin/bitcoin/pull/3715
https://github.com/bitcoin/bitcoin/pull/5077