Bitcoin Nodes Summary

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Name Introduced On Support Bigger Blocks Blocksize Growth Algorithm Node Count
Bitcoin Core 01/03/2009
No Data
18576
btcd 10/05/2013
No Data
27
Bitcore 11/04/2015
No Data
14
Bitcoin Unlimited 09/04/2015
  • BUIP001 Fixed block limit made obsolete
  • BU follows the blockchain with most PoW as per the original Nakamoto Consensus
  • Separation of the mining block size (default 1MB) from the non-mining block acceptance size (default 16MB)
  • Block size limits and acceptance depth individually configurable
 2
Bitcoin Classic 02/10/2016
  • 2MB hard fork after: miner supermajority (75%+) AND 1 month grace period.
 1
Bitcoin XT 12/24/2014
  • 2MB hard fork after: miner supermajority (75%+) AND 1 month grace period.
 1

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