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substitute layer

2 essays in the Forum tagged "substitute layer".

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Inside the Substitute Layer

The Dossier Economy: A Firsthand Account from Inside the Personal Data Substitute Layer

In 2024, a Florida-based data broker called National Public Data — operated by a former Florida sheriff through a company filed as Jerico Pictures, Inc. — exposed approximately 2.9 billion records containing names, dates of birth, current and past addresses, Social Security numbers, and telephone numbers of people in the United States, United Kingdom, and Canada. The company filed for bankruptcy. The California Privacy Protection Agency sought to recover a $46,000 administrative fine. New owners acquired the domain. The aggregation infrastructure continues to operate. From December 2015 through December 2020, I led the core API team at Emailage — a Phoenix-based fraud prevention company acquired by LexisNexis Risk Solutions for $480 million in a transaction that closed in 2020. My team built the technical infrastructure that connects fraud-relevant data sources into composite risk profiles, returned through a single API call typically within one to one-and-a-half seconds. This essay engages the personal data economy as the framework's most ubiquitous substitute layer, drawing on direct operational experience from inside one of its core nodes.

personal datadata brokersEmailageLexisNexiscorporate personhoodMengerFeketesaleabilitysubstitute layerfirsthandSanta Clara Countywealthcurrency
Inside the Substitute Layer

The Operational Substitute Layer: A Firsthand Account from Inside the Machinery

In late 2008, the Reserve Bank of New Zealand required the country's major banks to construct residential mortgage-backed securitization infrastructure as a condition of access to central bank liquidity. I arrived at the Bank of New Zealand as a contractor at the peak of the global financial crisis to build that infrastructure. Over the following five years I watched, from inside, how one specific node of the operational substitute layer was constructed, expanded, and integrated into the central bank's standing facilities — including building software to physically back up the mortgage documentation onto external hard drives so they could be carried out of the building if the bank failed. This is the story of what the substitute layer actually looks like when you are building it.

FeketeMengerRMBSReserve Bank of New ZealandBNZsubstitute layerGFCcovered bondscentral bankingfirsthand