Use a four-digit pin that's by the users choosing. Works like a charm, totally w...

edejong on July 23, 2017 | parent | context | favorite | on: Ask HN: What do you actually use your biohack impl...

Use a four-digit pin that's by the users choosing. Works like a charm, totally water-proof and cannot otherwise inadvertently be retrieved. Also keeps brain-dead people out of the pool.