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Interchange x Interspace

Substack
posts.interspace.ventures· irregular· Published 1 months ago

A fintech strategy newsletter by a former Block finance executive and angel investor, mixing long-form analysis of neobank architecture, AI strategy at public fintechs, and investment memos. Readers get detailed mental models of fintech infrastructure and candid, sometimes promotional, deal analysis.

neobankbanking as a servicebank sponsorsblock fintechapplied aiai-enabled fintechstablecoinstreasury managementstartup investingangel investingunit economicsacquiring processor
Platform
Substack
Frequency
Irregular
Latest issue
Sep 17, 2026
Language
English
Written for
Fintech operators, founders, investors and strategy-minded readers
Tone
analytical
Tracked since
Oct 27, 2026

Website: https://posts.interspace.ventures