Stablecoins: The Overlooked Risk to Liquidity Management

Insights

28 Aug

By Jeremie Feuillette (Managing Director, Global Head of Liquidity Optimisation Solutions)

Beyond the Buzz

Since the validation of the GENIUS Act, stablecoins have been heralded as the future of finance, offering instant settlement, borderless payments, and round-the-clock liquidity. For corporates and fintechs, the benefits are clear.

For banks, however, the reality is more complex. Behind the headlines of speed and efficiency lies a harder truth: stablecoins intensify liquidity management challenges rather than simplify them.

The New Liquidity Puzzle

In traditional systems, liquidity management benefits from decades of infrastructure design:

Netting and batching reduce peak liquidity needs.
Central bank backstops smooth volatility.
Cut-off windows provide predictability.

Stablecoins flip that model:

Atomic settlement: every transaction clears instantly and irreversibly.
Always-on flows: payments can spike on weekends or holidays, when wholesale markets are closed.
Fragmented pools: liquidity is split across fiat accounts, stablecoin wallets, tokenised deposits, and custodians.
Unpredictable patterns: Corporate use cases (such as Uber’s driver payouts) create sudden, large outflows that are difficult to forecast.

The result? Higher liquidity buffers, more idle cash, rising costs, and greater risk.

The Numbers behind the Pain

Without netting and smart sequencing, peak liquidity needs can increase by 20–30% compared to FIAT rails, and increase trapped buffers due to multi-rails
On-chain transaction fees (gas, bridges, custody) add further pressure, especially at scale.

These aren’t small numbers; they directly hit ROE and capital efficiency.

Why This Matters for Treasurers

For treasurers and liquidity managers, stablecoins change the operating model:

Buffers rise when clients expect instant weekend settlement.
Cash forecasting breaks down as flows become volatile and continuous.
Basel III compliance gets harder when liquidity is split across rails.
Operational risk increases with custodians, wallets, and bridges in the mix.

What was once a manageable, centralised liquidity pool becomes a sprawling, multi-rail ecosystem.

The Path Forward: Liquidity Intelligence

Stablecoins can still be made sustainable — but only if banks add a liquidity intelligence layer:

Predictive forecasting: anticipate weekend payouts, retail campaigns, and volatile inflows.
Resequencing & netting: bundle transactions to reduce peak liquidity requirements.
Cross-rail visibility & orchestration: dynamically rebalance liquidity between fiat, token, and stablecoin rails.
Cost-aware routing: optimise for the lowest settlement path, reducing gas and bridge fees.

Consolidated reporting: provide a single liquidity view across all rails, aligned with LCR/NSFR rules.

Closing Thought

Stablecoins may remove settlement risk, but they introduce liquidity risk. Unless banks get ahead of this complexity, they risk higher costs, lower returns, and regulatory headaches.

The banks that invest in liquidity optimisation and intelligence now will not only survive stablecoin adoption, they will set the new benchmark for resilience and efficiency in the 24/7 financial system.