🏗️ Balancer V3 Simplifies Custom AMM Development from Months to Days

🏗️ Months to Days

By Balancer
Jan 15, 2026, 3:45 PM
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Balancer V3 has dramatically simplified custom AMM development by moving all complexity from individual pools to the vault architecture.​

Pools now only need three functions:

  • onSwap - calculation logic
  • computeInvariant - pool invariant
  • computeBalance - operation balances

The impact: Custom AMM strategies that previously took months of wrestling with base contracts now take just days to implement core math.​

This represents a fundamental shift from V2's approach, which assumed developers could make slight math adjustments while base contracts handled complexity—a model that didn't work in practice.​

Sources

Balancer V3's biggest improvement it's the radical simplification. V2 assumed developers could make slight adjustments in the math while base contracts handled complexity, but the reality proved otherwise. V3 moved ALL complexity to the vault. The result? Better DevUX 👇

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Balancer V3 Launch: New Chapter for DeFi Protocol

Balancer V3 Launch: New Chapter for DeFi Protocol

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Balancer V3 Launches reCLAMM: Automated Concentrated Liquidity Without Manual Management

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Balancer V2's High Barrier Stifled Custom Pool Innovation in DeFi

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