29 lines
604 B
Markdown
29 lines
604 B
Markdown
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---
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eip: 160
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title: EXP cost increase
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author: Vitalik Buterin (@vbuterin)
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type: Standards Track
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category: Core
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status: Final
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created: 2016-10-20
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---
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### Hard fork
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[Spurious Dragon](./eip-607.md)
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### Parameters
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- `FORK_BLKNUM`: 2,675,000
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- `CHAIN_ID`: 1
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### Specification
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If `block.number >= FORK_BLKNUM`, increase the gas cost of EXP from 10 + 10 per byte in the exponent to 10 + 50 per byte in the exponent.
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### Rationale
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Benchmarks suggest that EXP is currently underpriced by a factor of about 4–8.
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### References
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1. EIP-160 issue and discussion: https://github.com/ethereum/EIPs/issues/160
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