Bitcoin $BTC historii 🎄 cen o Vánocích 2013 — 666 $ 2014 — $323 2015 – 455 $ 2016 — 899 $ 2017 – $13,926 2018 – $4,079 2019 — $7,323 2020 – $23,736 2021 – $50,822 2022 — $16,822 2023 – $43,665 2024 – $94,120 2025 – $87,340