Bank Underground (Bank of England blog)

Bank Underground (Bank of England blog)

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Analysis on monetary policy, banking and macro-finance.

The Quantity Theory of Crypto: What Is Bitcoin Worth as a Medium of Exchange?
NewsMay 28, 2026

The Quantity Theory of Crypto: What Is Bitcoin Worth as a Medium of Exchange?

John Lewis applies the quantity theory of money to Bitcoin, treating it solely as a medium of exchange. He shows that Bitcoin's price equals the value of transactions it supports divided by its fixed supply and velocity, revealing that current...

By Bank Underground (Bank of England blog)
Agentic Commerce and the Battleground for New Payments Infrastructure
NewsMay 21, 2026

Agentic Commerce and the Battleground for New Payments Infrastructure

Agentic commerce—AI agents that recommend, negotiate, and pay for users—is emerging rapidly, prompting a shift from human‑initiated to agent‑initiated transactions. Visa proposes a four‑step framework that moves agents from product recommendation to full‑lifecycle payment orchestration. The fragmented landscape of identity...

By Bank Underground (Bank of England blog)
What Machines Taking over Pricing Means for Central Banks
NewsApr 16, 2026

What Machines Taking over Pricing Means for Central Banks

Algorithmic and AI‑driven pricing is rapidly reducing the cost of price changes, halving the average lifespan of US retail prices and accelerating the frequency of online adjustments. Empirical studies show faster pass‑through of exchange‑rate and commodity shocks, while margin effects...

By Bank Underground (Bank of England blog)
A Public-Private Partnership: Central Banks as a Funding Backstop
NewsFeb 19, 2026

A Public-Private Partnership: Central Banks as a Funding Backstop

The authors analyze the Bank of England’s 2012 Funding for Lending Scheme (FLS) and find that central‑bank liquidity acts as a backstop that improves private wholesale funding conditions rather than merely substituting for them. By lowering banks’ wholesale funding costs,...

By Bank Underground (Bank of England blog)