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By leveraging Bitcoin as the base layer, smart contracts gain abilities that are impossible or impractical on Ethereum or other EVM chains. These “superpowers” let developers build Bitcoin-native dApps with deep protocol awareness.

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Transaction Introspection

Contracts can inspect Bitcoin transactions directly via precompiled contracts. This allows you to:
  • Verify that a user sent a specific UTXO or satoshis before executing logic
  • Build token bonding curves pegged to Bitcoin flows
  • Enforce custom asset entry conditions without relying on off-chain bridges
Effectively, contracts can reason about the Bitcoin ledger itself.

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Satoshi Location

Contracts can determine the exact location of a satoshi within a transaction output. This enables:
  • Precision tracking of scarce or ordinalized satoshis
  • Conditional execution based on which satoshi or output a user controls
  • Novel NFT-like use cases tied directly to individual satoshis
This level of granularity is impossible on Ethereum, where native assets are fungible and abstracted.

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Timelock Script Generation

Contracts can generate Bitcoin timelock scripts programmatically:
  • Enforce time- or height-based release of funds
  • Build vaults, escrows, and delayed payouts without any external oracle
  • Combine with on-chain contract logic for hybrid BTC+EVM workflows
These scripts are fully compatible with Bitcoin, meaning users can move funds in and out without leaving the Bitcoin security model.

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Examples of What Ethereum Cannot Do

  1. Ordinalized Asset Control: Track specific satoshis, not just fungible balances.
  2. BTC-Backed AMMs and Bonding Curves: Accept and reason about raw Bitcoin inputs natively, without wrapping or trust intermediaries.
  3. Hybrid Contracts: Combine EVM logic with Bitcoin timelocked ordinals, UTXO proofs, or ordinals in a single execution.
  4. Fully On-Chain Settlement: Exit BRC20 tokens back to Bitcoin directly, with no bridge or multisig dependency.
In short: these superpowers let you write contracts that are both EVM-native and Bitcoin-native, opening a class of applications that simply cannot exist on Ethereum alone.