if you know what you are doing you dont need to take any kind of a digital asset across a border, everything you need can be obtained at your destination... border agents are not paid to respect your property, so avoid the opportunity for them to destroy your intellectual achievments via ignorance

However...

==> Your rights at the border. Compared to people and police in the interior of the country, border agents have more power and people crossing the border have less privacy. But the border is not a Constitution-free zone. The powers of border agents are tempered by the First Amendment (freedom of speech, association, press, and religion), the Fourth Amendment (freedom from unreasonable searches and seizures), the Fifth Amendment (freedom from compelled self-incrimination), and the Fourteenth Amendment (freedom from discrimination).

but the agents do have the right to mitigate security/criminal threats.