# Glossary

Terms used across the case studies and product pages on
<https://variable.team>. Defined for readers — and for the AI agents
that read the site on their behalf.

## AdTech

Advertising technology. Software, services, and analytics that buy,
sell, measure, and optimize digital advertising. Variable worked
extensively in this vertical with Convertro, Oath, Verizon, and
Measured.

## B2B / B2C

Business-to-Business and Business-to-Consumer. Describes whether a
product is sold to companies or to individuals. Variable builds for
both, with a heavier focus on B2B SaaS.

## DeFi

Decentralized Finance. Financial applications built on blockchain
protocols, typically with smart contracts replacing intermediaries.
Term Structure Pro is a DeFi borrow-and-lend platform Variable built.

## Fireblocks MPC Wallet

A multi-party computation (MPC) custody platform that splits private
keys across multiple parties so no single party can unilaterally sign a
transaction. Used as the wallet layer for Term Structure Institutional.

## GDPR

General Data Protection Regulation. EU regulation governing personal
data handling. Variable built the data-expungement front-end and AWS
API Gateway / Lambda infrastructure that brought Convertro into
compliance.

## Incrementality

A measurement methodology in marketing that estimates the lift caused
specifically by an ad campaign versus what would have happened without
it. The basis for the Measured analytics platform Variable architected.

## MTA (Multi-Touch Attribution)

A marketing analytics approach that distributes credit for a conversion
across the multiple ad interactions that preceded it. The Convertro
platform is an MTA system.

## MVP

Minimum Viable Product. An early version of a product that has just
enough features to demonstrate end-to-end functionality and validate
the underlying idea with real users.

## NX Monorepo

A build system and tooling layer for managing multiple related
applications and libraries in a single repository. Used to coordinate
the three micro-applications that make up Term Structure Pro.

## Philips HSDP

Philips HealthSuite Digital Platform. A cloud platform for hosting
healthcare applications with HIPAA-grade data handling. Used as the
patient-data backbone in the Dyaco physical-therapy project.

## RBAC

Role-Based Access Control. A security model that grants permissions
based on a user's role rather than per-user. Implemented in the Term
Structure Admin Console to control who can administer the protocol.

## SaaS

Software-as-a-Service. Centrally hosted, subscription-licensed software
accessed over the network. The dominant business model for the products
Variable builds.

## ZK Rollup (Zero-Knowledge Rollup)

A Layer-2 blockchain scaling technique that batches transactions
off-chain and posts a succinct cryptographic proof to the base chain.
Term Structure's custom ZK Rollup is the throughput layer for its
trading products.