While banking has historically been the cornerstone of asset custody, the internet has swiftly taken center stage as the primary method for managing personal and financial information. In today’s society, people engage with their online credentials more frequently than their banks, often relying on those same credentials to access their banking services. The custodial power of the internet is undeniable, and to understand the future of self-custody, it’s essential to analyze the internet’s custodial history—from the early use of passwords to the emergence of 2-factor authentication, authenticator apps, and the rise of passkeys. This chapter will guide us through this digital evolution.