
Prediction Markets, Empowering Decisions: On Polymarket, Every Opinion Matters
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Prediction Markets, Empowering Decisions: On Polymarket, Every Opinion Matters
Polymarket is a blockchain-based decentralized prediction market platform that allows users to bet on the future outcomes of various topics using cryptocurrency.
Author: Chain Tea House
1. Project Overview
Polymarket is a blockchain-based decentralized prediction market platform that allows users to bet on the future outcomes of various topics using cryptocurrency.

The platform operates via smart contracts on the Polygon blockchain, reducing fees and accelerating transaction settlement. On Polymarket, users do not directly store funds but instead participate in markets through an automated market maker (AMM) or order book system by providing liquidity. This model enables users to bet on event outcomes ("Yes" or "No") and win their stakes if their predictions are correct.

The platform enables users to trade and exchange outcome shares by investing real money in markets predicting current hot events. Users must deposit USDC stablecoin into the Polymarket wallet and purchase outcome shares to participate. Share prices reflect the market's expected probability of an event’s outcome. Polymarket uses an automated and transparent process, charges no trading fees, and closes markets once outcomes are clear. If a user’s prediction is correct, each share can be redeemed for $1; incorrect predictions render shares worthless.
A key feature of Polymarket is its provision of a trading environment free from traditional financial institution restrictions, making it an innovative platform within the DeFi space. Its goal is to leverage the power of free markets to aggregate collective knowledge and provide the public with an unbiased source of truth regarding the likelihood of major future events.
Notably, on May 14, Polymarket completed a $45 million Series B funding round led by Founders Fund. Additionally, General Catalyst previously helped the project raise $25 million in its Series A round. In total, Polymarket has raised $70 million across two funding rounds, with supporters including Ethereum co-founder Vitalik Buterin.
2. Smart Contracts
Polymarket’s core operations rely on smart contracts that automatically execute complex trading and decision logic on the Ethereum blockchain. The use of smart contracts is central to Polymarket’s technological innovation, enabling decentralized, automated, and transparent market operations.

Below is a detailed overview of Polymarket’s smart contracts:
2.1 Functions and Structure
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Market Creation: Smart contracts allow users to create new prediction markets by defining questions and possible outcomes (typically binary: "Yes" or "No").
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Trade Execution: Users can buy and sell shares on markets via smart contracts. Share prices dynamically adjust based on the market’s collective forecast of event outcomes.
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Outcome Determination and Settlement: After an event occurs, smart contracts determine results based on predefined rules or external data sources (e.g., oracles) and automatically settle funds.
2.2 Non-Custodial Fund Management
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On Polymarket, smart contracts ensure all user funds are handled transparently on-chain without third-party custody, reducing trust requirements and enhancing security.
2.3 Automated Market Maker (AMM)

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AMM contracts provide market liquidity, allowing users to trade even without direct counterparties. This is achieved through liquidity pools that automatically price and execute trades, with prices adjusting based on current buy/sell pressure.
2.4 Order Book
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As Polymarket plans to transition from AMM to an order book system, its smart contracts will adapt accordingly. The order book system will allow users to set specific bid and ask prices, increasing market flexibility and depth.
2.5 Integration with Polygon
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By integrating Polygon as a Layer-2 solution, Polymarket’s smart contracts significantly reduce transaction costs and accelerate transaction speeds while maintaining security—critical for a frequently traded prediction market.
2.6 Use of Oracles
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To obtain reliable off-chain event outcome data, Polymarket’s smart contracts may integrate oracle services. Oracles enable smart contracts to access external data sources, ensuring accurate and fair market outcomes.
2.7 Market Integrity and Dispute Resolution
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In disputed cases, specific smart contract mechanisms can be triggered, such as intervention by a Market Integrity Committee—a group of community-elected members responsible for resolving disputes and confirming market outcomes.
Polymarket’s smart contract architecture makes it a highly automated and transparent prediction market platform, effectively minimizing intermediary costs and manipulation risks while offering a reliable and user-friendly environment for global users. The design and implementation of these contracts are key factors behind Polymarket’s success as a cutting-edge fintech product.
3. Business Model
1. Decentralized and Non-Custodial
Polymarket operates on the Ethereum blockchain and the Polygon Layer-2 solution, providing decentralized and non-custodial services. Users interact directly between their digital wallets and smart contracts, bypassing traditional centralized platforms, thereby enhancing security and transparency.
2. Trading Fees and Liquidity Provision
Although Polymarket does not charge traditional trading fees, it generates revenue by capturing a portion of the market liquidity generated through trading activity. Through its AMM and order book systems, Polymarket ensures sufficient liquidity, making markets more efficient.
3. Data and Insights Services
Polymarket leverages trading data from its platform to offer real-time market insights and analytics. These data help users make more informed decisions and serve as valuable resources for media and research institutions seeking to understand public opinion and market trends.
4. Marketing and Partnerships
Polymarket conducts various marketing campaigns and collaborates with other blockchain projects to expand its user base and brand visibility. These include incentive programs such as crypto rewards to attract and retain users.
5. Compliance and Adaptability
In response to regulatory challenges, Polymarket has engaged in discussions with regulators such as the U.S. Commodity Futures Trading Commission (CFTC) to ensure compliance, helping solidify its business foundation and protect user interests.
4. User Guide
Step 1: Create an Account

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Visit Polymarket’s official website and register an account. You’ll need to provide an email address and set a secure password.
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After creating your account, you’ll be guided to create or connect an Ethereum wallet. Polymarket is non-custodial, meaning users retain full control over their funds.
Step 2: Deposit Funds

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Trading on Polymarket requires USDC (a stablecoin pegged to the U.S. dollar). You must first acquire USDC in your Ethereum wallet.
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Transfer USDC from your wallet to the Polymarket platform, typically done via your wallet’s built-in transfer function.

Step 3: Browse Markets

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Log in to your Polymarket account and browse available prediction markets covering politics, economics, technology, sports, and more.
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Each market displays current odds and potential outcomes, enabling you to decide which market to bet on.
Step 4: Buy and Sell Shares

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After selecting a market, you can purchase shares based on your prediction of the outcome. If you believe an event will occur, buy “Yes” shares; otherwise, buy “No” shares.
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Share prices fluctuate dynamically with market conditions, and you can choose to hold or sell your shares at any time.
Step 5: Market Resolution and Payouts
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Once an event concludes, the market resolves based on actual outcomes. Correct shares can be redeemed for $1 each; incorrect shares become worthless.
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Payouts are automatically credited to your Polymarket wallet, where you can choose to reinvest or withdraw to your Ethereum wallet.
Step 6: Withdrawal
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You can withdraw profits from Polymarket at any time, typically by transferring funds back to your Ethereum wallet.
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Depending on network conditions and gas fees, this process may take some time to complete.
5. Team
Polymarket was founded by Shayne Coplan, who also serves as CEO. Shayne Coplan graduated from New York University and has extensive experience in blockchain and tech entrepreneurship. He has played key roles in multiple crypto asset and technology innovation projects and successfully led Polymarket to become a leading decentralized information market platform.

Another key team member is Rich Jaycobs, currently Head of Market Development at Polymarket. Rich Jaycobs previously served as President of Cantor Futures Exchange, bringing deep experience in registering and operating financial derivatives exchanges and clearinghouses. His expertise in financial and derivatives markets is crucial to Polymarket’s strategic development and market expansion.
Polymarket’s team consists of professionals with backgrounds in finance, technology, and blockchain, collectively dedicated to revolutionizing information exchange and decision-making through innovative decentralized prediction markets. Their diverse expertise provides strong technical support and market insight, enabling Polymarket to maintain a leading position in a competitive landscape.
6. Project Evaluation
6.1 Sector Analysis

Polymarket operates in the decentralized prediction market sector—an application of blockchain and cryptocurrency technologies in finance and information services. These platforms leverage blockchain to allow users to bet on real-world events, creating a decentralized, transparent, and trustless market environment.
1. Decentralized Prediction Markets:
This category includes platforms using blockchain to create prediction markets where participants can bet on outcomes of political elections, economic indicators, sports events, etc. These platforms use smart contracts to automate trading and outcome verification, eliminating intermediaries.
2. Fintech:
Though primarily focused on prediction markets, Polymarket also belongs to the fintech sector due to its involvement in financial activities such as fund transactions, investment returns, and market analysis.
3. Decentralized Finance (DeFi):
Polymarket can be considered part of DeFi, as it offers an alternative to traditional financial institutions for betting and trading assets.
Projects similar to Polymarket include:
1. Augur (REP):
Augur is one of the oldest blockchain-based prediction markets. Built on Ethereum and launched fully in 2018 after initial development in 2014, it allows users not only to bet on outcomes but also to create their own markets. The platform uses its native token REP for rewards, market creation, and dispute resolution.
Augur features a dedicated "Sports Betting" platform and supports numerous categories, including crypto. Like Polymarket, Augur supports binary, categorical, and scalar markets. Recently, Augur launched a "Turbo" version leveraging Polygon.
2. Gnosis (GNO):
Gnosis is another Ethereum-based prediction market, established in 2015. Beyond betting, it offers additional features such as decentralized trading, wallet services, and infrastructure tools.
Gnosis has a more complex architecture with broader use cases beyond prediction. Its native token GNO is used for governance and staking.
Gnosis even built its own Layer-2 chain, Gnosis Chain, featuring smart contract functionality.
6.2 Project Advantages

1. Decentralized and Non-Custodial:
Polymarket is fully decentralized and does not hold user funds. Users retain control of their funds in personal blockchain wallets, transacting via smart contracts—greatly reducing risks of fraud and fund loss.
2. Real-Time Market Data and Transparency:
All transactions and market dynamics are recorded on the blockchain, ensuring full transparency and traceability. This empowers users to make informed decisions and allows external analysts access to unaltered data.
3. Low Cost and High Efficiency:
By using Polygon as a Layer-2 solution, Polymarket delivers fast and low-cost transactions—particularly appealing to users conducting frequent small trades.
4. Broad Market Coverage:
Polymarket offers predictions across politics, economics, sports, entertainment, and more, giving users diverse betting options.
5. Compliance Efforts:
Facing regulatory challenges, Polymarket has proactively engaged regulators to ensure compliance, strengthening its operational foundation and protecting user interests.
6.3 Drawbacks
1. Regulatory Uncertainty: As an emerging fintech, decentralized prediction markets face legal and regulatory uncertainty. While Polymarket is striving for compliance, it may still encounter legal challenges or regulatory changes in the future.
2. Market Liquidity Issues: Although AMM and order book systems provide liquidity, new or less popular markets may suffer from insufficient liquidity, affecting user experience and potential returns.
3. Market Manipulation Risk: Despite blockchain transparency, prediction markets remain vulnerable to manipulation, especially in smaller, low-liquidity markets.
4. Dependence on Smart Contracts: Polymarket heavily relies on smart contracts. Any bugs or vulnerabilities could lead to fund losses or other security issues.
7. Conclusion
In summary, Polymarket stands as a blockchain-based decentralized prediction market, offering a unique platform for users to bet on and predict global events. Leveraging blockchain’s transparency and security, Polymarket enables free trading in a non-custodial environment, ensuring operations are open and fair. Despite facing regulatory challenges, technological dependencies, and liquidity concerns, Polymarket continuously innovates to improve user experience and actively addresses risks.
Looking ahead, as blockchain technology matures and regulatory frameworks clarify, Polymarket is poised to play an increasingly significant role in decentralized financial services. For users seeking market prediction in an open and transparent environment, Polymarket presents an attractive option—not only enabling participation in global event forecasting but also offering firsthand experience of blockchain-driven innovation. With ongoing technical optimization and user growth, Polymarket’s future holds immense potential.
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