Bitcoin ABC Forking Bitcoin Cash: 32 MB Blocksize & Op Codes Incoming

Bitcoin ABC Forking Bitcoin Cash: 32 MB Blocksize & Op Codes Incoming

The Bitcoin ABC team just announced a May 15th hard fork for the Bitcoin Cash network. The upgrade to the consensus rules will raise BCH’s blocksize fourfold from 8 MB to 32 MB and will activate and re-initiate a series of Bitcoin script operation codes. 

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Fork Is A Go

The big blockers are going bigger. That’s per a new announcement from Bitcoin ABC hailing the coming Bitcoin Cash hard fork on May 15th. As part of the upgrade, the team has just released the Bitcoin ABC software 0.17.0 so that members of the community can begin preparing for the shift.

The devs responsible for the update suggest those running BCH nodes upgrade “immediately.”

The ABC team is also welcoming help in readying the cryptocurrency ecosystem for the coming hard fork, according to the announcement:

“Bitcoin ABC will take steps to contact major exchanges and wallet providers.  All assistance in this effort is welcome.  You can help by contacting exchanges, wallet providers, and other ecosystem participants, and letting them know they should upgrade their software or run an updated version of Bitcoin ABC or other compatible software.”

Go Big or Go Home, Eh

In addition to the quadrupling of Bitcoin Cash’s current 8 MB blocksize, the 0.17.0 software will greenlight or modify a series of op codes, including:

  • OP_CAT
  • OP_AND
  • OP_OR
  • OP_XOR 
  • OP_DIV
  • OP_MOD
  • OP_SPLIT
  • OB_SUBSTR
  • OP_NUM2BIN
  • OP_BIN2NUM
  • OP_RETURN

The most recognizable of these, of course, is the OP_RETURN op code. This code, at the center of various debates over the years, allows for arbitrary bytes to be placed in an unspendable transaction. The new OP_RETURN will allow for 220 arbitrary bytes per transaction.

And a testnet should be coming soon for those interested. Per the team:

“Bitcoin ABC is currently testing both the new rules and their activation. A testnet should be available soon. Other groups are encouraged to test as well.”

What’s your take? Do you agree or disagree with a blocksize increase in BCH? Sound off in the comments below. 


Images via Bitcoin ABC, Bitsonline

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