Crypto Biz: Mining weakness tests Bitcoin’s market cycle Post author:MiamiCrypto Post published:December 5, 2025 Post category:Uncategorized Bitcoin miners face record margin pressure as proxy stocks sink, Kalshi lands $1B funding and Ether derivatives volumes overtake Bitcoin on CME. You Might Also Like 7 crypto leaders share tips to help Web3 companies prep for tax season October 17, 2023 Alameda, FTX Ventures Websites Down Following FTX Disaster November 9, 2022 Did BTC’s Santa rally start at $89K? 5 things to know in Bitcoin this week December 8, 2025