Crypto is moving deeper into the US financial system — this time through the mortgage market.

Nextdoor Holdings Inc. shares surged as much as 49% early Wednesday, the most in over four years, as the man behind the retail-driven rally in names like Opendoor Technologies and Better Home & Finance Holding Co. took a bullish stance on the neighborhood social media app.

Nextdoor Holdings Inc. shares surged as much as 49% early Wednesday, the most in over four years, as the man behind the retail-driven rally in names like Opendoor Technologies and Better Home & Finance Holding Co. took a bullish stance on the neighborhood social media app.