What question did this study set out to answer?

The paper aims to enhance stablecoins by integrating ACTUS with Ethereum for automated cash-flow settlement.

March 26, 2026

ACTUS Meets Ethereum: Enhancing Stablecoins with Automated Cash-Flow Settlement

Key Points

The paper aims to enhance stablecoins by integrating ACTUS with Ethereum for automated cash-flow settlement.
Introduced a new architecture combining on-chain contract definitions and off-chain computations.
Implemented a whitelisted multi-oracle for cash-flow computation and settlement.
Encoded ACTUS terms and states into an ERC-20 stablecoin with balance locks.
Achieved approximately 60,000 gas per settlement, costing about $0.08.
Realized oracle throughput of around 240 contracts per second on standard hardware.
Initial deployment cost was about $3.74, with per-contract setup near $0.48.

Abstract

This paper introduces a novel architecture that brings the Algorithmic Contract Types Unified Standards (ACTUS) to Ethereum by combining on-chain contract definition with off-chain deterministic computation and on-chain, oracle-mediated settlement. The design encodes ACTUS terms and life-cycle state in an ERC-20 stablecoin with balance locks, while a whitelisted multi-oracle computes cash-flows and settles them without manual intervention. This approach gives DeFi instruments bank-grade, standardized cash-flow semantics and auditable automation at low cost. In a three-year time-warp over a portfolio we measure \ (\) 60, 000 gas per settlement (\ (\0. 08\) ), with oracle throughput around 240 contracts/s on commodity hardware. Initial deployment is \ (\3. 74\), and per-contract setup \ (\0. 48\).

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