Here are this weekend’s riddles to entertain you through family time, shopping and recreation.
1: Challenging response of a lunge and command to prove identity.
2: Sensational contact in the unconscious from a fingerprint.
3: For gaining private admission with a public key.
To help you cross-check your solutions, there’s a common factor between them.
I’ll post my solutions first thing on Monday morning.
Please don’t post your solutions as comments here: it spoils it for others.