# EIP 160: EXP cost increase
| 作者 | 状态 | 类型 | 分类 | 创建时间 |
|---|---|---|---|---|
| Vitalik Buterin (@vbuterin) | Final | Standards Track | Core | 2016-10-20 |
# 硬分叉
# 参数
FORK_BLKNUM: 2,675,000CHAIN_ID: 1
# 规范
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.
# 原理阐述
Benchmarks suggest that EXP is currently underpriced by a factor of about 4–8.
# 参考引用
- EIP-160 issue and discussion: https://github.com/ethereum/EIPs/issues/160