To Gain this degree of depth, learn about the different clustering heuristics and the quantity of rigor concerned. change - substitute a person or issue for (another that is broken or inefficient or dropped or now not Operating or yielding what is anticipated); "He changed the aged razor blade"; https://coingenius.news/bitcoins-slide-below-40k-amid-ftx-liquidation-and-etf-turmoil-bitpinas/