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Ethereum Constantinople Hard Fork

"Reentrancy" vulnerability found by ChainSecurity on 15 Jan 2019. Read details here

Ethereum Constantinople hard fork will ship
5 Ethereum Improvement Proposals (EIPs)
to help prepare Ethereum for the transition
from Proof-of-Work to Proof-of-Stake.

When is it happening?


What are the highlights?

  • Lower gas fees
  • optimal smart contract execution
  • reduced mining rewards
  • "Difficulty Bomb" delay

What are the upgrades?

EIP 145

Native bitwise shifting as a more efficient method of information processing (See Details)

EIP 1014

To provide better scaling solution based on "off-chain" transactions (See Details)

EIP 1052

Optimization of large-scale code executions for smart contracts (See Details)

EIP 1234

Reduce block mining rewards from 3 ETH to 2 ETH, and delay the "Difficulty Bomb" for 12 months (See Details)

EIP 1283

Mainly benefits smart contract developers by reducing gas costs (See Details)

Major exchanges have announced support for the hard fork