Publish Date

October 7, 2024

AI in DeFi: Role, Expert Opinions, Examples, and Challenges

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Imagine a future where even an AI owns a wallet, executes perfect trades, and mitigates risks in real-time.

You might think its science fiction, but this is the current norm in the DeFi ecosystem.

In this article, we’ll cover AI’s key uses in DeFi (with examples), like automated trading, detecting fraud, managing risks, and checking smart contracts. We’ll also look at the challenges AI faces in DeFi, such as data quality, scalability, transparency, and security.

The role of AI in DeFi

The following are the most impactful AI applications transforming the DeFi landscape::

  1. Algorithmic trading
  2. Fraud detection
  3. Risk assessment and management
  4. Smart contract auditing
  5. Sentiment analysis
  6. Portfolio management
  7. Data analysis
  8. Scalability optimization
  9. Compliance and data privacy

Algorithmic trading

AI in DeFi simply means algo tradingRuben - CEO @ DB Forest

Algorithmic trading in DeFi leverages AI models like Random Forest to predict asset prices using historical data, Deep Q-Networks (DQN) to refine strategies through learning from past outcomes, and Pairs Trading to exploit temporary price differences between correlated assets for profit.

Key components for algorithmic trading. Source: Amazon

These AI-driven bots analyze real-time market data to find the best trading opportunities, minimizing human error and emotion, and enabling 24/7 trading.

💡 Example: MC² Finance simplifies investing for you by using AI to find the best opportunities, suggest strategies based on your goals, and automatically execute trades. You keep full control of your assets, with every action transparently recorded on the blockchain.

Fraud detection

AI systems in DeFi use techniques like Isolation Forests to detect anomalies, Long Short-Term Memory (LSTM) networks for predicting irregular patterns over time, and behavioral biometrics to spot unusual user activity.

Organizers and purposes of DeFi frauds. Source: Arxiv

These methods detect unusual behaviors, such as sudden large transfers or multiple failed logins, which may indicate fraud or market manipulation.

“AI supported security systems identify transactions that are not matching extremely fast and alert the right people to mitigate risks in real-time.” Chris - Cofounder @ MC² Finance

When these anomalies are found, AI can automatically alert administrators or take immediate action, like freezing accounts or stopping suspicious transactions, to prevent losses.

💡 Example: Solidus Labs uses AI techniques like anomaly detection, classification, and clustering to monitor digital asset markets in real-time, spotting suspicious activities like wash trading.

Risk assessment and management

AI in DeFi uses techniques like web scraping to gather data from social media and market sites, APIs to collect real-time data from blockchain networks, graph analysis to map relationships between blockchain entities, and smart contract event listeners to monitor transactions on the blockchain.

How a smart contract event listener processes blockchain events. Source: MDPI

Machine learning algorithms, such as Support Vector Machines (SVM) then analyze this data to spot risks, such as sudden price drops or unusual trading behavior, by recognizing patterns and anomalies.

💡 Example: if a sudden drop in a token’s price is detected, MC² Finance can analyze trading volumes, recent news, and social media sentiment to determine if this is a temporary fluctuation or a sign of a deeper issue like a market crash or security breach.

AI also helps prevent issues by suggesting actions like adjusting interest rates or reallocating assets to reduce exposure to high-risk investments during volatile periods.

You can use AI to solve specific tasks like aggregating market data and making better decisions based on those inputs.” Lucas - COO @ Lobster Protocol

Smart contract auditing

AI improves smart contract auditing by using techniques like symbolic execution to test different code paths for vulnerabilities, static analysis to check the code without running it, and formal verification to ensure the logic is correct.

Formal verification methods. Source: EEWeb

💡 Example: CertiK uses its Skynet’s automated scanning, formal verification, and deep learning for DeFi smart contract auditing by identifying vulnerabilities and suggesting fixes before deployment.

As AI learns from new data and past audits, it becomes better at identifying potential threats, helping to keep smart contracts secure and reliable.

“There can be an additional step in between where this can be audited by AI... especially when there’s so much noise in the market.” Stan - Co-founder @ Renora

Sentiment analysis

AI-driven sentiment analysis uses Natural Language Processing (NLP) to scan and interpret vast amounts of text data from sources like social media, news articles, and forums.

NLP performs sentiment analysis to identify emotional tone and key relationships in content. Source: Kili

💡 Example: Augmento is a platform that collects text data from sources like Twitter, Reddit, Telegram, and news articles, then uses NLP to determine whether the sentiment is positive, negative, or neutral.

By analyzing the tone and context of these texts, AI can gauge the overall market sentiment—whether it’s optimistic, fearful, or uncertain.

“Sentiment analysis is one of the most classic machine learning problems, and AI can price in sentiment from platforms like Twitter effectively.” Ruben - CEO @ DB Forest

Portfolio management

AI-driven portfolio management in DeFi uses reinforcement learning to adjust strategies based on market outcomes, Bayesian networks to predict asset performance and manage uncertainty, and K-means clustering to group similar assets for better diversification.

Portfolio management process. Source: Frontiers

💡 Example: If MC² Finance detects that a particular asset is underperforming or becoming too risky, it suggests reallocating funds to more stable or promising investments. Conversely, if an asset is showing strong growth potential, AI can recommend increasing exposure to it.

These systems also help in balancing risk by diversifying assets according to the user’s investment goals and risk tolerance.

“You will be able to add your portfolio/wallet, and we will give you the exact insights which are perfect for your wallet, like what’s the worst token that you actually have in your wallet, what’s the highest risk, what are similar wallets that actually make more returns than you, and what you can learn from them to give you all the maximum insights so you can make the right assumptions.” Chris - Cofounder @ MC² Finance

Data analysis

AI boosts data analysis in DeFi by using convolutional neural networks (CNNs) to spot patterns in market trends, recurrent neural networks (RNNs) to analyze on-chain transactions and predict movements, and transformer models for sentiment analysis of social media.

Comparing artificial neural network (ANN), CNN, and RNN. Source: Levity

💡 Example: IntoTheBlock’s AI uses RNNs for analyzing time-based data and transformer models for understanding text from social media.

Though such algorithms, AI can uncover hidden patterns, predict market movements, and provide actionable insights that inform trading strategies, risk management, and investment decisions.

“AI helps us in data analysis, especially when starting to expand into a new chain. AI helps in researching and understanding the ecosystem faster.” Stephen - Head of BD @ Anka

Scalability optimization

AI-driven scalability optimization in DeFi uses queueing theory to model transaction flow and identify potential bottlenecks in the network and genetic algorithms to explore and optimize resource allocation strategies for handling peak loads.

Why queueing theory is essential in AI-driven scalability optimization. Source: AIM

💡 Example: Fetch.ai is known for integrating autonomous economic agents into blockchain technology to improve the efficiency and scalability of decentralized networks.

As AI systems improve, they better predict and solve scaling issues, helping DeFi platforms handle more users and transactions without losing efficiency.

“Vector databases are becoming essential for AI in trading, as they allow for finding similarities in trends that nobody else can find with traditional methods.” Chris - Cofounder @ MC² Finance

Compliance and data privacy

AI in DeFi boosts compliance and data privacy by using anomaly detection to flag suspicious transactions, rule-based algorithms to enforce KYC/AML checks, and homomorphic encryption to secure data while meeting privacy regulations.

Types of homomorphic encryption. Source: LinkedIn

💡 Example: Chainalysis uses AI, including graph analysis to track blockchain funds and machine learning like random forests and Support Vector Machines for KYC/AML checks.

Additionally, multi-factor authentication (MFA) and behavioral biometrics are employed to verify user identity and detect unauthorized access attempts.

“For the mass market to catch up, regulation is required for safety and simplicity, and AI can help navigate and enforce these regulations efficiently.” Chris - Cofounder @ MC² Finance

Challenges of AI in DeFi

As AI becomes more integrated into the DeFi ecosystem, several specific challenges need to be addressed:

  1. Data quality
  2. Regulation
  3. Scalability and computational demands
  4. Transparency and explainability
  5. Security risks

1. Data quality

AI in DeFi struggles with data fragmentation across platforms, leading to inaccurate insights due to inconsistent transaction records and incomplete profiles.

Granular data, AI, and removing external failures in DeFi are key for data quality and efficient API trading pipelines. Source: X

Privacy measures like homomorphic encryption and differential privacy protect user data but slow down AI processing, especially in real-time trading, complicating the balance between accuracy, speed, and privacy.

“The challenge with AI lies in converting various data sources into the right format that AI can effectively analyze.” Chris - Cofounder @ MC² Finance

Efficient algorithms and better data integration frameworks are needed to address these challenges in the decentralized and privacy-sensitive DeFi environment.

2. Regulation

Moreover, AI in DeFi faces challenges with complex and varied global regulations, requiring it to navigate differing KYC and AML rules across countries.

Proofs-of-humanity may outperform traditional compliance in keeping adversarial AI out of DeFi. Source: X

The lack of standardized databases for compliance checks can lead to missed critical checks or false positives, complicating consistent compliance.

“With the upcoming MICA regulations in Europe, DeFi is going to be more regulated, and while DeFi hasn’t been fully touched by regulations yet, this is set to change.” Lucas - COO @ Lobster Protocol

Constant updates to AI systems are necessary to keep up with changing regulations.

3. Scalability and computational demands

AI algorithms in DeFi, particularly deep learning, require significant processing power, adding strain to already burdened decentralized networks like Ethereum.

This increased computational demand during high network activity can lead to higher gas fees and slower transaction times, impacting critical operations like high-frequency trading.

Scalability and computational demand challenge 70% of Web3 protocols. Source: X

Processing AI tasks on-chain can slow the network, so off-chain solutions like Rollups help speed things up. However, they also bring challenges in keeping data accurate and secure between off-chain and on-chain processes.

4. Transparency and explainability

AI systems in DeFi, particularly deep neural networks, often operate as “black boxes,” making their decision-making processes opaque and hard to interpret, which is problematic when managing assets or executing trades.

AI in DeFi does highlight transparency and explainability concerns. Source: X

This lack of transparency concerns both users, who are left in the dark about critical financial decisions, and regulators, who struggle to ensure compliance.

Explainable AI (XAI) aims to make AI decisions more transparent by showing how models reach conclusions, but integrating XAI into DeFi is challenging because simplifying models for clarity can reduce their accuracy.

5. Security risks

AI systems in DeFi are vulnerable to adversarial attacks, where malicious actors subtly manipulate input data to deceive the AI into making poor decisions, such as executing harmful trades.

DeFi hacks tied to poor security, AI vulnerabilities. Source: X

Attackers might also target AI models to extract sensitive information or reverse-engineer the model for more sophisticated attacks, posing a significant risk in managing valuable financial data.

“AI Bots bring new dynamics into the market, and with enough of them trading against each other, we will likely see things like flash crashes in DeFi.” Stan - Co-founder @ Renora

Techniques like adversarial training help AI models resist attacks but can reduce accuracy and add complexity, making continuous updates and retraining necessary to combat evolving threats in DeFi’s decentralized environment.

Final thoughts

To unlock AI's potential in DeFi, we need to address challenges like data accuracy, privacy, understanding AI better, and boosting security, while also fostering collaboration among developers, regulators, and industry leaders to navigate regulations and support scalable systems for AI growth.

By focusing on these areas, MC² Finance is pioneering the use of AI to act as a bridge between CeFi and DeFi that every one from top traders/hedge fund managers to copy traders and average joes can call home.

Come check us out!