Page 52 says this:
If you can limit the length to a certain number of bytes, always use one of bytes1 to bytes32 because they are much cheaper.
Much cheaper than what? This seems to imply there are bytesN types beyond bytes32, but that is not true. bytes32 is the largest.
Page 52 says this:
Much cheaper than what? This seems to imply there are bytesN types beyond bytes32, but that is not true. bytes32 is the largest.