Blockchain technology continues to evolve, making decentralized interactions more accessible and user-friendly. One of the most significant pain points for users has always been gas fees — the cost of executing transactions on a blockchain, typically paid in the network’s native token. For example, Ethereum requires ETH for gas, while PulseChain uses PLS. This often forces users to hold multiple tokens just to interact across different chains.
Enter Gas Paid in PRC20 Tokens — a groundbreaking feature that removes this friction by allowing users to pay transaction fees using popular PRC-20 tokens like USDT or USDC instead of the native Pulse (PLS) token. Enabled through Pulse Wallet, this innovation simplifies cross-chain activity and enhances usability for both newcomers and experienced crypto users.
How Gas Paid in PRC20 Tokens Works
At its core, Gas Paid in PRC20 Tokens leverages a smart contract mechanism known as a paymaster. Instead of requiring users to fund their wallets with PLS for gas, Pulse Wallet acts as an intermediary that covers the gas fee upfront in PLS and then reimburses itself using the user’s preferred PRC-20 token.
Here's a step-by-step breakdown:
- User Initiates Transaction: The user wants to perform an action — such as swapping tokens or interacting with a dApp — using a PRC-20 token like USDT.
- Off-Chain Signature: Using the Pulse Wallet SDK integrated into the dApp, the user signs a message off-chain authorizing the transaction.
- Relayer Submits Request: The SDK sends this signed message via API to a relayer service, which forwards it to a smart contract called the forwarder.
- Fee Calculation: The forwarder calculates the required gas fee in PLS and converts it into the equivalent value in the user’s chosen PRC-20 token (e.g., USDT), based on real-time market prices.
- Execution & Reimbursement: The paymaster contract pays the gas in PLS, executes the transaction on-chain, and withdraws the calculated fee amount from the user’s wallet in USDT.
This entire process happens seamlessly in the background. To the end user, it feels like they’re simply paying a small fee in USDT — no need to acquire or manage PLS at all.
Benefits of Paying Gas in PRC20 Tokens
1. Improved User Experience
Users no longer need to juggle multiple tokens just to cover gas fees. Whether you're using stablecoins or other widely held PRC-20 assets, you can interact with PulseChain directly without extra steps.
2. Lower Entry Barrier
Newcomers often find it confusing or costly to buy native tokens solely for gas. By enabling gas payments in familiar tokens like USDT, adoption becomes smoother and more intuitive.
3. Greater Flexibility for Developers
dApp developers integrating the Pulse Wallet SDK can offer customized experiences. They can choose which tokens support gas payments and even adjust a fee multiplier to account for risk, network congestion, or business models.
4. Enhanced Liquidity Utilization
Holding large balances of non-native tokens is common. This feature allows users to utilize those holdings efficiently without converting them unnecessarily.
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Key Factors in Fee Calculation
The system intelligently determines how much of your PRC-20 token will be charged by evaluating several dynamic variables:
- Current PLS Price: Real-time data ensures accurate conversion from PLS (native gas token) to the selected PRC-20 token.
- PRC-20 Token Value: Market price of the token being used for reimbursement (e.g., USDT, USDC).
- Gas Consumption: Actual computational resources used by the transaction.
- Optimal Gas Pricing: Based on current network conditions, similar to Ethereum’s EIP-1559 model.
- Fee Multiplier: A configurable factor set by developers to cover operational costs or generate revenue.
These parameters ensure fair, transparent, and adaptive pricing while maintaining system sustainability.
Use Cases and Practical Applications
Cross-Chain Swaps Without Native Tokens
Imagine wanting to swap USDT for another asset on PulseChain but not owning any PLS. With traditional wallets, you’d need to first acquire PLS — adding time, cost, and complexity. With Pulse Wallet’s gas-in-PRC20 feature, you complete the swap directly using USDT for both the trade and the fee.
Onboarding New Users
Crypto platforms can use this functionality to onboard users instantly. A new user deposits USDC and immediately starts interacting with dApps — no seed phrase setup, no native token purchase.
Enterprise and Institutional Integration
Institutional wallets managing large volumes of stablecoins can avoid unnecessary exposure to volatile native tokens while still accessing blockchain functionality securely.
Frequently Asked Questions (FAQ)
Q: Do I still need PLS in my wallet to use this feature?
A: No. As long as you have sufficient balance in a supported PRC-20 token (like USDT or USDC), you don’t need any PLS to pay for gas.
Q: Is there an extra cost compared to paying gas directly in PLS?
A: The base cost is equivalent, but developers may apply a small fee multiplier to cover risks or operational expenses. This is transparently communicated before transaction approval.
Q: Which tokens are supported for gas payment?
A: Initially, major stablecoins like USDT and USDC are supported, with plans to expand to other liquid PRC-20 tokens based on demand.
Q: How secure is this system?
A: The entire process runs on audited smart contracts (paymaster and forwarder), with cryptographic verification at every stage. Your funds remain safe and under your control.
Q: Can I use this feature on other blockchains?
A: Currently optimized for PulseChain, but the underlying architecture is adaptable and could be extended to other EVM-compatible networks in the future.
Q: Who pays the actual gas fee on-chain?
A: The paymaster contract pays the gas in PLS. It gets reimbursed by users in their chosen PRC-20 token after execution.
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Final Thoughts
Gas Paid in PRC20 Tokens represents a meaningful leap toward frictionless blockchain interaction. By decoupling transaction fees from native tokens, Pulse Wallet empowers users with greater flexibility, reduces onboarding hurdles, and sets a new standard for wallet usability.
As decentralized applications grow in complexity and reach, features like these will become essential for mass adoption. Whether you're a developer looking to enhance your dApp experience or a user tired of managing multiple tokens, this innovation delivers real value — today.
With smart contract automation, strategic SDK design, and user-centric thinking, Pulse Wallet proves that blockchain doesn’t have to be complicated to be powerful.