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+--- Thread: Security Risks with App-Specific Blockchains - Thoughts? (/showthread.php?tid=71516)
Security Risks with App-Specific Blockchains - Thoughts? - Instanodes Io - 08-22-2025
Hey folks,
Just wanted to start a discussion about something I've been wrestling with lately. We're building an Application Specific Blockchain for our DeFi project and honestly, the security landscape feels way different than what I'm used to with Ethereum.
The main thing that's keeping me up at night is validator concentration. Our application chain will probably start with maybe 20-30 validators compared to Ethereum's thousands. That makes a 51% attack way cheaper to pull off, which is honestly terrifying.
Cross-chain bridges are another headache. Since we need to move assets between our chain and mainnet, we're basically creating new attack vectors that didn't exist before. The Ronin hack still gives me nightmares.
What we're doing to stay safe:
- Setting up really strong validator economics (high slashing conditions).
- Only using bridges that have been audited multiple times.
- Planning regular pen tests focused on our specific use case.
- Building emergency pause mechanisms into our governance.