[Paper Review] When Money Learns to Fly: Towards Sensing as a Service Applications Using Bitcoin

Kay Noyen, Dirk Volland+2 more|arXiv (Cornell University)|Sep 20, 2014

IoT and Edge/Fog Computing15 references16 citations

TL;DR

This paper proposes using Bitcoin as a decentralized, low-cost micropayment and authentication protocol to enable Sensing-as-a-Service (S2aaS) in IoT ecosystems. By leveraging Bitcoin’s decentralization, scriptability, and cryptographic verifiability, the authors demonstrate how sensor data providers can be fairly compensated via trustless, peer-to-peer transactions, overcoming key systemic hurdles in data monetization and identity management for global sensor markets.

ABSTRACT

Sensing-as-a-Service (S2aaS) is an emerging Internet of Things (IOT) business model pattern. To be technically feasible and to effectively allow for broad adoption, S2aaS implementations have to overcome manifold systemic hurdles, specifically regarding payment and sensor identification. In an effort to overcome these hurdles, we propose Bitcoin as protocol for S2aaS networks. To lay the groundwork and start the conversation about disruptive changes that Bitcoin technology could bring to S2aaS concepts and IOT in general, we identify and discuss the core characteristics that could drive those changes. We present a conceptual example and describe the basic process of exchanging data for cash using Bitcoin.

Motivation & Objective

• To address systemic challenges in Sensing-as-a-Service (S2aaS) adoption, including micropayments, sensor identity, and data integrity.
• To investigate how Bitcoin’s core characteristics can enable fair, trustless, and scalable data exchange in IoT-based sensor markets.
• To propose a conceptual framework for integrating Bitcoin into S2aaS architectures to support global, decentralized sensor data markets.
• To explore the feasibility of using Bitcoin’s scripting and blockchain features for data monetization and access control in IoT.
• To initiate a research conversation on the integration of blockchain technology, particularly Bitcoin, into emerging IoT business models.

Proposed method

• Using Bitcoin’s blockchain as a trustless ledger to record sensor data ownership, payments, and access rights.
• Leveraging Bitcoin’s digital signatures and public-private key pairs to enable secure, pseudonymous sensor identification and authentication.
• Implementing multi-signature transactions to enable escrow-like mechanisms for data release upon payment.
• Utilizing time-locked and micropayment channel protocols to enable rapid, low-fee transactions between sensor providers and data consumers.
• Applying Bitcoin’s scripting system to create conditional contracts (e.g., assurance contracts) that release data only when payment thresholds are met.
• Storing data hashes in the blockchain to provide cryptographic verifiability and immutability of sensor data.

Experimental results

Research questions

• RQ1 How can Bitcoin’s decentralized architecture overcome the trust and infrastructure barriers in global, multi-sided sensor data markets?
• RQ2 In what ways can Bitcoin’s micropayment capabilities enable fair and scalable compensation for sensor data providers in S2aaS?
• RQ3 How can Bitcoin’s scripting and cryptographic features support secure, verifiable, and tamper-proof sensor data exchange in IoT systems?
• RQ4 What role can Bitcoin play in solving the chicken-and-egg problem of network effects in emerging S2aaS business models?
• RQ5 How might Bitcoin’s properties enable new forms of data marketplaces that are both decentralized and economically sustainable?

Key findings

• Bitcoin’s decentralized and open nature enables trustless, peer-to-peer exchange of sensor data without reliance on centralized intermediaries.
• The use of Bitcoin’s scripting system allows for the creation of conditional contracts, such as assurance contracts, that release data only when a funding threshold is reached.
• Micropayment channels based on time-locked and multi-signature transactions enable low-cost, high-frequency payments essential for continuous sensor data subscriptions.
• Cryptographic verifiability through digital signatures and blockchain hashing ensures data integrity and enables proof of data origin and non-tampering.
• Pseudonymous identification via public-key cryptography allows for secure sensor and user authentication without exposing personal identities.
• The integration of Bitcoin’s core characteristics can drive fair market dynamics in S2aaS by embedding economic incentives directly into the protocol layer.