# Chapter 503 - Bitcoin Criticisms & Fallacies III

- [503.1 Lesson - concentratedOwnership](/chapter-503-bitcoin-criticisms-fallacies-iii/503.01-lesson.concentrated-ownership.md)
- [503.2 Lesson - centralizedMining](/chapter-503-bitcoin-criticisms-fallacies-iii/503.02-lesson-centralized-mining.md)
- [503.3 Lesson - tooExpensive](/chapter-503-bitcoin-criticisms-fallacies-iii/503.03-lesson-too-expensive.md)
- [503.4 Lesson - prohibitivelyHigh](/chapter-503-bitcoin-criticisms-fallacies-iii/503.04-lesson-prohibitively-high.md)
- [503.5 Lesson - willBeHoarded](/chapter-503-bitcoin-criticisms-fallacies-iii/503.05-lesson-will-be-hoarded.md)
- [503.6 Lesson - canBeDuplicated](/chapter-503-bitcoin-criticisms-fallacies-iii/503.06-lesson-can-be-duplicated.md)