Why this key Bitcoin price trendline at $100K is back in focus

bitcoin
Bitcoin (BTC) $ 63,929.00
ethereum
Ethereum (ETH) $ 1,842.41
tether
Tether (USDT) $ 0.999352
bnb
BNB (BNB) $ 567.70
xrp
XRP (XRP) $ 1.09
solana
Solana (SOL) $ 75.33
dogecoin
Dogecoin (DOGE) $ 0.072661
chainlink
Chainlink (LINK) $ 8.27
shiba-inu
Shiba Inu (SHIB) $ 0.000004
nexo
NEXO (NEXO) $ 0.754223
enjincoin
Enjin Coin (ENJ) $ 0.028143
cardano
Cardano (ADA) $ 0.168821