Bitcoin proponents say "crypto winter" won't end in 2023.

Bitcoin Lightning Network advocate says the FTX scam will make crypto "another rough year."

One of the industry's biggest personalities predicts that bitcoin and crypto won't rebound until 2024.

On Dec. 30, Lightspark CEO and founder David Marcus disappointed bulls with his prognosis.

After two months, the FTX crash still unsettles mood and price performance.

"Unscrupulous players" were carrying market underperformance into next year, he said, citing FTX once.

Its four-year halving cycles, which provide growth in certain years, may be problematic.

Some expect the rise to begin in Q2, 2023, a year before the second halving in 2024.