In recent years, Large Language Models (LLMs) have been increasingly applied in the field of software engineering, driving the emergence of a new programming paradigm in which code is generated from natural language. Developers no longer rely solely on writing code line by line; instead, they describe target functionalities, system behaviors, or design intentions, and artificial intelligence systems automatically generate executable code. This programming practice, which emphasizes rapid feedback and iterative refinement and is guided by the principle that “it feels right,” has gradually been summarized in industry as Vibe Coding.
Compared with traditional software engineering, Vibe Coding significantly lowers the barrier to entry for programming, improves the speed of prototyping and feature implementation, and has been widely adopted by startups, individual developers, and in rapid experimentation scenarios. However, this paradigm also weakens developers’ comprehensive understanding of low-level implementation details, boundary conditions, and exceptional execution paths, thereby giving rise to ongoing debates regarding code quality, security, and the attribution of responsibility.
Blockchain systems—especially decentralized applications (DApps) based on smart contracts—provide a particularly tension-filled context for the application of Vibe Coding. On the one hand, blockchain development has long faced challenges such as high technical barriers, lengthy development cycles, and expensive auditing costs. In theory, Vibe Coding could significantly improve development efficiency and accelerate innovation. On the other hand, once blockchain code is deployed, it is difficult to modify, and it often directly controls high-value digital assets; any security vulnerabilities may therefore lead to irreversible economic losses. In this context, any technological paradigm that reduces developers’ “depth of code understanding” may amplify systemic risks.
Consequently, Vibe Coding exhibits a fundamentally paradoxical nature in the blockchain domain: it may serve as a “remedy” for development efficiency bottlenecks, yet it may also evolve into a “poison” that undermines system security.
Although research on AI-assisted programming has grown rapidly, existing literature mainly focuses on productivity gains, developer experience, and general software engineering scenarios, paying insufficient attention to its impact on high-risk, irreversible systems. In particular, in the blockchain environment—where “Code is Law”—it remains unclear whether Vibe Coding has altered the structure and distribution of risks, and systematic empirical evidence is still lacking.
Accordingly, this paper focuses on the following core research questions:
To address the above questions, this paper adopts a data-driven empirical research approach, combining descriptive statistics, comparative analysis, and correlation analysis to systematically examine the impact of Vibe Coding in the blockchain domain.
Specifically, this study integrates the following data sources:
Since it is currently not possible to directly observe whether developers use AI programming tools, this paper employs indirect indicators such as code similarity, commit behavior, and development rhythm to approximate the prevalence of Vibe Coding-related practices. It should be emphasized that this study focuses on statistical correlations and structural trends, rather than making causal judgments about individual projects or developer behaviors.
With the widespread adoption of large-scale language models in software engineering, a new development practice driven by natural language code generation has gradually taken shape. Although “Vibe Coding” was not originally a strictly defined academic term, the characteristics it exhibits in engineering practice already constitute a representative paradigm shift in programming.
In this paper, Vibe Coding is defined as:
A programming practice in which natural language intent serves as the primary input, artificial intelligence systems automatically generate system-level code structures, and rapid trial-and-error together with functional usability serves as the main validation criterion.
Under this paradigm, developers no longer regard step-by-step construction, formal reasoning, and complete understanding of code logic as necessary prerequisites. Instead, they iteratively approach the target functionality through a cycle of “generate–run–revise.” The correctness of the code is judged more by whether the runtime behavior matches expectations than by systematic verification of implementation details, boundary conditions, and exceptional execution paths.
To avoid conceptual confusion, it is necessary to distinguish Vibe Coding from existing software development paradigms.

Existing studies on AI-assisted programming typically assume that developers remain the primary understanders and controllers of code logic, while AI systems mainly serve auxiliary roles such as code completion, error detection, or local implementation optimization. Under this paradigm, the overall system architecture and core logic are still designed and governed by human developers.
In contrast, under Vibe Coding, AI systems often directly participate in the generation of system-level code structures, while developers increasingly assume the role of validators and revisers. This difference leads to a fundamentally different risk distribution: errors in AI-assisted programming are usually local in nature, whereas errors in Vibe Coding are more likely to be systemic and cascading.
Low-code and no-code platforms reduce the barrier to programming through graphical components, predefined templates, and highly constrained development environments. Their security and compliance are, to some extent, guaranteed by built-in platform mechanisms. However, this approach typically comes at the cost of flexibility and extensibility.
Vibe Coding does not rely on fixed templates or closed platforms. Instead, it leverages the generalization capabilities of large language models to generate highly flexible code structures. This feature gives it significantly greater expressive power than low-code platforms, but at the same time, it lacks the built-in security constraints and engineering discipline provided by such platforms.
Agile development emphasizes iteration, feedback, and continuous delivery, but it presupposes that the development team has a clear understanding of the system architecture and core logic. Vibe Coding goes one step further by shifting part of the cognitive engineering burden to automated code generation systems, making iteration speed no longer linearly correlated with humans’ ability to understand system complexity.
Therefore, Vibe Coding should not be regarded as a simple extension of agile methodologies, but rather as a development practice that entails a substantial shift in the cognitive structure of software engineering.
Blockchain systems, especially smart contract–based decentralized applications, differ fundamentally from traditional software systems in their engineering properties.
First, once smart contract code is deployed to a blockchain network, it is usually difficult or even impossible to modify or roll back. This irreversibility means that any defects may persist for a long time and remain continuously exposed to an adversarial environment.
Second, blockchain code often directly controls digital assets with real economic value. Security vulnerabilities are therefore not merely functional errors, but can be actively exploited for financial gain. Prior studies show that logic flaws, permission misconfigurations, and state management errors in smart contracts are the primary causes of major security incidents. Moreover, blockchain systems generally operate in highly adversarial environments: attackers can continuously monitor on-chain states, rapidly replicate attack strategies, and automate their execution, making the early stage after deployment a period of highly concentrated risk.
Together, these characteristics constitute an engineering environment that is extremely sensitive to code quality and security, in which any development paradigm that reduces the depth of code understanding or the rigor of verification may amplify systemic risk.
Existing studies generally indicate that AI programming tools can significantly improve code generation speed, task completion time, and developers’ subjective satisfaction. These findings provide theoretical support for the potential efficiency advantages of Vibe Coding. However, most of this literature focuses on short-term development tasks or controlled experimental settings, and relatively little attention has been paid to long-term maintainability and security impacts in complex systems.
Research on blockchain security has mainly focused on vulnerability classification, attack pattern analysis, and defense mechanism design, forming a relatively mature theoretical framework for smart contract security. However, existing literature rarely examines how development paradigms themselves affect the distribution of vulnerabilities and the structure of risks, and in particular lacks systematic empirical studies on AI-driven development practices.
In summary, current research still exhibits several notable gaps:
This paper aims to fill these gaps by conducting a multi-source data analysis to investigate the structural relationship between efficiency gains and security risks of Vibe Coding in blockchain development, and to provide empirical evidence for related engineering practices and governance mechanisms.
This paper adopts a quantitative empirical research approach to systematically analyze the efficiency impact of Vibe Coding in blockchain development and its potential security risks. Since Vibe Coding, as a development practice, cannot be directly observed, this study constructs a set of quantifiable proxy variables to approximate its characteristics and examines the statistical relationships between these variables and security risk indicators.
The overall research design follows these steps:
This paper focuses on statistical correlations and systemic trends rather than making strong causal claims about specific tools or mechanisms.
Security incident data are used to measure the observable security risks of blockchain systems, mainly including the occurrence time of smart contract attacks, attack types, and the scale of economic losses.
This dataset contains the following core fields:
This study selects blockchain projects with public code repositories and collects their smart contract code and commit histories. These data are used to characterize development rhythm, code structure features, and potential traces of automated code generation.
The collected dimensions include:
The dataset used in this paper is integrated from multiple publicly verifiable sources, including blockchain security incidents, open-source code repositories, smart contract audit reports, and project-level development information. Contracts serve as the unit of analysis, and the time span covers the period of rapid growth in blockchain applications in recent years.
In constructing the sample, this study follows these principles:
The initial sample is drawn from public blockchain projects and their corresponding code repositories, covering multiple application types, including decentralized finance (DeFi), non-fungible tokens (NFTs), and decentralized autonomous organizations (DAOs). The initial dataset consists of two parts: project-level records and contract-level code and commit histories.
The table below summarizes the descriptive statistics of variables related to project development efficiency, including development cycle length, commit frequency, and the proportion of large commits. Overall, the sampled projects exhibit significant heterogeneity in development pace. Some projects move from the first code commit to mainnet deployment in a very short time, reflecting highly compressed development processes, while others display much longer development cycles and more dispersed commit rhythms.

The table below reports the statistical characteristics of smart contract code structure indicators, including lines of code, cyclomatic complexity, code similarity, and the proportion of duplicated code. The results show substantial differences in code complexity and structural similarity across projects. Some samples exhibit highly similar contract structures and relatively high proportions of duplicated code, a phenomenon that is particularly pronounced in multi-contract projects.

The table below summarizes the descriptive statistics of variables related to security risk, including the incidence rate of security events, the scale of economic losses, and the time to first attack.
The descriptive results indicate that:

In summary, the sample data exhibit substantial heterogeneity in terms of development efficiency, code structure, and security risk. This heterogeneity provides the necessary empirical foundation for analyzing the relationship between Vibe Coding–related characteristics and security risks.
The descriptive statistics in this chapter indicate that:
Based on these observations, the next chapter analyzes the efficiency gains of Vibe Coding in blockchain development, while Chapter 6 focuses on examining its potential security risks.
Based on the development pace and code generation feature indicators constructed in Chapter 3, this section conducts an empirical analysis of development efficiency in blockchain projects. The descriptive statistics show substantial variation in development cycles across the sample. A subset of projects moves from the first code commit to mainnet deployment significantly faster than the sample average. These projects typically exhibit highly compressed development processes, reflecting the widespread adoption of development practices characterized by automated code generation and rapid iteration in the blockchain context.
Further analysis of commit behavior reveals that high-efficiency projects tend to exhibit both higher commit density and larger single-commit sizes. This commit pattern suggests that the code generation process is more inclined toward centralized output and holistic modification rather than incremental, step-by-step construction. When combined with project-level team size data, it can be observed that the significant shortening of development cycles is not accompanied by a proportional increase in manpower input, indicating that efficiency gains are not primarily driven by team expansion but are more likely related to tool usage and increased automation.
From the perspective of project type distribution, efficiency improvements are not evenly observed across different categories of blockchain applications. Projects with relatively standardized functional structures and clearer business logic are more likely to adopt highly compressed development processes, whereas projects that rely more heavily on long-term security and system robustness tend to exhibit more cautious development rhythms. This pattern suggests that high-efficiency development practices in the blockchain domain are context-dependent and subject to scenario selection.
Overall, the results of this chapter indicate that development practices associated with Vibe Coding can indeed significantly improve development efficiency in blockchain projects, as reflected in shorter development cycles and higher output per unit of labor. However, improvements in development efficiency do not necessarily imply comprehensive improvements in system quality. Their implications for security and risk structure remain to be further examined, which is the focus of the next chapter.
Building on the empirical results on development efficiency, this section further examines whether development practices associated with Vibe Coding introduce higher security risks in blockchain projects. To this end, this paper uses the occurrence of security incidents, the number of vulnerabilities, and the scale of economic losses as security risk indicators, and systematically analyzes their relationships with development pace and code structure proxy variables.
First, from the perspective of the probability of security incidents, the empirical results show that projects with significantly shorter development cycles are more likely to experience security events. Compared with projects with longer development cycles, the high-efficiency group exhibits a higher attack incidence rate in the early stage after deployment. This phenomenon suggests that in the highly adversarial blockchain environment, rapid deployment does not significantly delay attacks; instead, it may shorten the time window for attackers to discover and exploit vulnerabilities.
Second, at the code quality level, code structure characteristics are significantly associated with the number of vulnerabilities. The results show that contracts with higher code similarity and a larger proportion of duplicated code tend to be accompanied by a higher number of vulnerabilities. This indicates that templated and homogenized code structures, while improving development efficiency, may also amplify the propagation range of systemic defects, allowing a single logical flaw to exist simultaneously across multiple contracts.
Furthermore, at the level of economic consequences, development efficiency indicators also exhibit a positive correlation with the scale of economic losses caused by security incidents. Although not all high-efficiency projects suffer attacks, once a security incident occurs, the resulting losses tend to be more concentrated and larger in magnitude. This “low-frequency, high-loss” risk distribution makes the potential security costs of efficiency-driven development particularly salient in the blockchain context.
Taken together, these findings suggest that improvements in development efficiency and security risks are not independent, but instead exhibit a clear structural trade-off. On the one hand, Vibe Coding–related practices can significantly reduce development time and labor costs; on the other hand, their tendency to weaken the depth of code understanding and the rigor of verification amplifies security risk exposure in irreversible, asset-bound blockchain systems. These results provide empirical support for the paper’s central thesis: what serves as a remedy for efficiency may also act as a poison for security.
This paper focuses on Vibe Coding as an emerging development paradigm and systematically analyzes its efficiency gains and security risks in blockchain application development using multi-source empirical data. The results show that Vibe Coding exhibits a pronounced dual effect in the blockchain context. On the one hand, it can significantly compress development cycles and reduce labor input per unit of output, thus playing a positive role in terms of efficiency. On the other hand, this efficiency improvement is not cost-free, but is significantly associated with higher security risks.
Empirically, projects with significantly shortened development cycles are more likely to experience security incidents in the early stage after deployment, and contracts with highly similar and templated code structures tend to exhibit more vulnerabilities. These findings indicate that the automated code generation and rapid iteration mechanisms introduced by Vibe Coding, while weakening developers’ comprehensive understanding of system logic and boundary conditions, also amplify the propagation range of systemic defects. In the blockchain environment—where systems are irreversible and directly bound to assets—such risks are further magnified.
Further analysis shows that although high-efficiency projects do not necessarily suffer more frequent attacks, once an attack occurs, the resulting economic losses tend to be larger, exhibiting a clear long-tail distribution. This suggests that the risk of Vibe Coding in blockchain systems is not primarily reflected in the frequency of incidents, but rather in the accelerated speed of risk exposure and the amplified scale of potential losses. This reveals a typical “low-frequency, high-loss” risk structure, making efficiency gains particularly risk-sensitive in blockchain systems.
Taken together, this paper argues that Vibe Coding should not be viewed simply as either technological progress or engineering regression, but rather as a development paradigm that reshapes the structure of risk distribution. In the blockchain context, development efficiency and system security exhibit a clear structural trade-off. For this reason, Vibe Coding can be seen both as an “efficiency remedy” for alleviating the high barriers of blockchain development and, if left unconstrained, as a “latent poison” that undermines system security.
Based on these findings, this paper offers several practical and governance implications. First, in high-risk blockchain systems, Vibe Coding is more suitable for prototyping, non-core logic implementation, and experimental development, rather than for core contract logic that directly controls high-value assets. Second, improvements in development efficiency must be coupled with stricter security audits, formal verification, and testing mechanisms to compensate for the reduced depth of code understanding during development. Third, at the organizational and institutional level, the boundaries of responsibility for AI-generated code should be clearly defined, shifting developers from mere “code writers” to “system risk bearers,” in order to avoid the blurring of accountability.
Finally, this study has several limitations. Since Vibe Coding cannot be directly observed, the proxy variables used in this study may introduce measurement bias. Moreover, the empirical results mainly reflect statistical correlations rather than strict causal relationships. Future research could further combine developer survey data, experimental designs, and blockchain-oriented automated security analysis tools to provide a more fine-grained characterization of the risk mechanisms of AI-driven development paradigms.
This study suggests that in a highly sensitive technical environment such as blockchain, the real question is not whether to use Vibe Coding, but whether sufficient restraint and governance capacity can be maintained while pursuing efficiency.
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