Pennysia
Key Metrics
Fees 30d$5.46
Fees 30d by chain
Ethereum$5.46
Fees 7d$0
Ethereum$0
Fees 24h$0
Ethereum$0
Cumulative Fees$50.11
Ethereum$50.11
Revenue 30d$5.46
Revenue 30d by chain
Ethereum$5.46
Revenue 7d$0
Ethereum$0
Revenue 24h$0
Ethereum$0
Cumulative Revenue$50.11
Ethereum$50.11
DEX Aggregator Volume 30d$5,280
DEX Aggregator Volume 7d$0
DEX Aggregator Volume 24h$0
Cumulative DEX Aggregator Volume$21,012
Protocol Information
Pennysia is the unified interface connecting all exchanges and liquidity platforms, onchain and offchain, to deliver the best liquidity to users
Audits:
Methodology
Fees: Settlement FeeCollected plus partner fees on tagged CoW, UniswapX, and Velora fills.View code on GitHubRevenue: 100% of Settlement, UniswapX, and Velora fees. 75% of CoW partner fees (CIP-75).View code on GitHubDEX Aggregator Volume: Volume of all spot token swaps routed through the DEX aggregatorView code on GitHubHacks
Date: Nov 13, 2026
Amount: $5,131
Classification: Access Control
Technique: Arbitrary External Call
On November 12, 2026, an attacker exploited an arbitrary external call vulnerability in Pennysia's Settlement contract on Ethereum, stealing approximately $5,131 from four users. The attacker deployed malicious tokens to bypass spending checks in the executeSwap() function, then abused existing ERC-20 allowances to transfer USDC, wstETH and YUNO directly from users' wallets through the vulnerable contract
Chains: Ethereum
Language: Solidity
Target Type: DeFi Protocol
Competitors
Closest by TVL
Pennysia history
Fees and revenue by UTC calendar month, Sep 2026 to Nov 2026
| Month | Fees | Revenue |
|---|---|---|
| Sep 2026 | $41.92 | $41.92 |
| Oct 2026 | $8.19 | $8.19 |
| Nov 2026 (to date) | $0 | $0 |
The .csv export on the chart above downloads every daily value. The same data is in the public API: https://api.llama.fi/protocol/pennysia
Frequently asked questions
What chains does Pennysia operate on?
Pennysia operates on Ethereum.
How much has Pennysia generated in fees and revenue?
Over the past 30 days, Pennysia generated $5.46 in fees. Of that, $5.46 was protocol revenue. Based on the trailing year, the annualized rate is $290.32 in fees and $290.32 in revenue.
How does Pennysia's TVL compare to similar protocols?
Among DEX Aggregator protocols tracked by DefiLlama, Pennysia ranks #153 by TVL. The category holds $4.67m across 212 protocols, and Pennysia accounts for 0% of that total. Similar protocols include 1inch Swap, Hashflow, De1, Houdini Swap, OmniBazaar, Pond0x, THORSwap, Unizen, Velora, and Pumex.
Has Pennysia ever been exploited?
Pennysia has 1 recorded security incident. The most recent incident occurred on Nov 13, 2026 and involved $5,131. It was classified as Access Control.