CoolWallet Integrates TRON Energy Rental to Cut Transaction Costs

CoolWallet has introduced a TRON Energy Rental service integrated directly into its hardware wallet platform.

The new feature allows users to reduce transaction costs for TRX and TRC-20 tokens, including USDT, by renting the Energy required for smart contract interactions rather than burning their own TRX for fees.

Why Energy Rental Matters on TRON

On the TRON network, smart contract execution consumes a resource known as Energy. Users typically obtain Energy by staking TRX. When sufficient Energy is not available, the network automatically burns TRX to cover the transaction cost, which can become expensive for frequent token transfers, particularly with TRC-20 stablecoins.

By enabling Energy rental inside the CoolWallet App, users gain a way to directly manage this cost trade-off, choosing a smaller, predictable payment instead of allowing TRX to be burned at market rates.

Core Features of the Integration

The Energy Rental service introduces several functional advantages:

• Lower effective fees: Users can reduce the amount of TRX burned per transaction by renting Energy only when needed.
• Flexible payments: Energy can be rented using either TRX or TRC-20 USDT, allowing users to manage balances more precisely.
• Full self-custody: Private keys remain offline in the hardware wallet throughout the process, preserving the core security model of CoolWallet.
• Stablecoin-focused efficiency: The feature is particularly relevant for users who frequently send USDT on TRON, where repeated transactions can otherwise compound fee costs.

How the Rental Process Works

The workflow is designed to remain simple and wallet-native:

1. Access: Users enter the Marketplace section of the CoolWallet App.
2. Rent: Instead of burning a larger amount of TRX, the user pays a smaller fee in TRX or USDT to rent the required Energy.
3. Execute: The rented Energy is applied to the transaction, such as a USDT transfer, lowering the total cost compared with standard fee burning.

All steps are completed without moving funds out of self-custody or exposing private keys online.

Broader Ecosystem Context

This integration is the result of collaboration between CoolBitX, the company behind CoolWallet, and the TRON DAO. It reflects a broader effort to make the TRON retail and DeFi ecosystem more accessible by reducing friction at the transaction level, while maintaining a strong security posture.

Rather than changing how TRON fees work at the protocol level, the Energy Rental feature gives users more control over when and how those costs are paid, aligning security, usability, and cost-efficiency in a single hardware wallet experience.

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