As tech companies and financial institutions flock to the graffiti-soaked streets of the Wynwood Arts District, Miami’s cultural and creative capital is swiftly becoming the city’s tech epicenter — and that’s having a profound impact on luxury residential sales, including several record-breaking transactions. The former warehouse district turned canvas for contemporary street art is now home to some of the country’s most innovative companies, including Spotify, Live Nation, PwC and venture capital firms Founders Fund and Atomic.