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by beefhash 2572 days ago
> How about a micro-payment, something like $0.01, instead of solving a puzzle?

This approach may turn legitimate people away, namely:

1. People from regions where it is uncommon to have means to interface with payment processors.

2. Minors who, for one reason or another, are not able to obtain a debit card/credit card. Similarly, PayPal refuses minors.