Bitcoin prijzen op Halloween 🎃 👻 2011: $3,27 2012: $11 2013: $201 2014: $337 2015: $312 2016: $699 2017: $6.369 2018: $6.332 2019: $9.172 2020: $13.537 2021: $61.837 2022: $20.624 2023: $34.494 2024: $72.250 2025: $109.000