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Enforceability and Practical Challenges of Smart Contracts in Modern Business

Introduction

The advent of blockchain technology has paved the way for smart contracts, revolutionizing the way transactions are executed by automating processes through computer code. A smart contract operates based on predefined rules, executing itself when certain conditions are met, thereby reducing the need for intermediaries. While smart contracts are an innovative solution to enhance efficiency and transparency, they still face challenges, particularly in terms of enforceability, programming limitations, and legal concerns.

The Basics of Smart Contracts

Smart contracts are lines of code that perform specific actions when predefined conditions are met. For example, a smart contract may automatically transfer a digital asset from one party to another when payment is received. The entire process is transparent, irreversible, and traceable on the blockchain.

However, despite the allure of automation, the ability of smart contracts to fully replicate real-world contractual relationships is limited. While basic contracts with clear, objective conditions (such as payments for goods or services) work well, more complex contracts that involve subjective terms are not easily programmable. For instance, determining whether a party has made "best efforts" or "reasonable efforts" is subjective and currently beyond the scope of smart contracts.

Legal Enforceability of Smart Contracts

In the U.S., the enforceability of smart contracts is governed by state contract law. A legally enforceable contract requires an offer, acceptance, consideration, mutuality of obligation, legality, and competency of the parties involved. Smart contracts can fulfill these requirements for many business transactions. For example, an agreement to exchange cryptocurrency for services can be easily coded into a smart contract.

Additionally, the federal ESIGN Act and state-level Uniform Electronic Transactions Act (UETA) recognize the legal validity of electronic contracts and signatures. These acts allow smart contracts to satisfy the requirement for written agreements and signatures under the law. Arizona and Nevada have explicitly amended their laws to include blockchain and smart contracts, and other states may follow.

However, certain legal complexities, such as those that require subjective interpretation, still require human judgment. Contracts involving intangible assets or situations where a subjective assessment is needed are difficult to automate.

Challenges in Smart Contract Execution

1. Programming Complexity
One of the primary challenges of smart contracts is the complexity involved in coding contractual agreements. Writing code that accurately captures the terms of a contract, particularly when those terms involve subjective or complex conditions, requires significant technical expertise. For many businesses, hiring experts to code these agreements is costly and time-consuming. Additionally, if the code is flawed, it can lead to unintended consequences.

For instance, smart contracts lack flexibility. In traditional business transactions, parties may agree to amend or modify terms based on unforeseen circumstances. Smart contracts, however, are immutable once deployed, making it difficult to adjust terms without significant reprogramming or the creation of a new contract.

2. Off-Chain Resources and Custody
Smart contracts work well when all necessary resources exist on the blockchain, such as cryptocurrency or tokenized assets. However, when dealing with physical assets (such as real estate or art), ensuring proper custody and verification becomes a challenge. Off-chain information, known as "oracles," may be required to input data into the blockchain. For example, if a smart contract triggers a payment based on delivery confirmation, it needs accurate information from an external source to confirm the delivery.

These oracles, while solving certain problems, introduce a level of dependency on third parties, which contradicts the decentralization ethos of blockchain technology. Furthermore, they increase the risk of inaccuracies or manipulations.

3. Enforcement of Subjective Terms
As mentioned, smart contracts struggle with subjective or ambiguous terms that require interpretation. For example, contractual clauses such as "reasonable efforts" or "good faith" are common in traditional agreements but challenging to encode. A smart contract can only execute predefined, objective actions.

This inability to handle subjective criteria limits the types of contracts that can be automated through smart contracts. In many cases, traditional legal agreements are necessary to supplement the smart contract or to address areas where human judgment is required.

Potential Solutions to Current Limitations

1. Hybrid Contracts
One potential solution is the use of hybrid contracts, where a portion of the agreement is executed through code, and the remainder is governed by a traditional legal contract. This combination allows businesses to take advantage of the efficiency of smart contracts while maintaining flexibility for subjective or complex terms.

2. Smart Contract Standardization
As blockchain technology matures, more standardized and user-friendly smart contract templates will become available. These templates can reduce the costs and complexity associated with creating smart contracts while ensuring that the code accurately reflects the parties' intentions.

3. Regulatory Advancements
Regulators are beginning to adapt to the rise of blockchain technology. For example, Arizona, Nevada, and Vermont have made strides in recognizing blockchain and smart contracts within their legal frameworks. As more states and countries adopt similar laws, the legal environment surrounding smart contracts will become more favorable, providing businesses with greater confidence in their enforceability.

Conclusion

Smart contracts offer tremendous potential for automating business processes, reducing transaction costs, and increasing transparency. However, they are not without limitations. Complex programming, challenges in handling physical assets, and the inability to manage subjective contract terms present significant hurdles. By combining smart contracts with traditional legal agreements and leveraging emerging legal frameworks, businesses can begin to harness the power of blockchain technology while navigating its current limitations.

Smart contracts are still in the early stages of development. As technology and regulatory frameworks evolve, their application in mainstream business operations will likely increase, bringing both opportunities and challenges to the forefront.

Gayatri Gupta