Bitcoin network hashrate every Christmas:
2009: 9 MH/s
2010: 108 GH/s
2011: 8 TH/s
2012: 22 TH/s
2013: 9 PH/s
2014: 271 PH/s
2015: 709 PH/s
2016: 2.3 EH/s
2017: 14 EH/s
2018: 39 EH/s
2019: 99 EH/s
2020: 134 EH/s
2021: 177 EH/s
2022: 240 EH/s
2023: 521 EH/s
2024: 779 EH/s
2025: 1.1 ZH/s
From 9 megahashes to 1.1 zettahashes. 122 trillion times more computational power securing the network.