You're assuming that the phrase "crypto-magic" is reassuring instead of off-putting. 'The general public' and 'readers of HN' are basically non-overlapping sets

You're assuming that the phrase "crypto-magic" is reassuring instead of off-putting. 'The general public' and 'readers of HN' are basically non-overlapping sets. My mom has a credit card. Would she use Bitcoins? Not in a million years.