The main source tree for the Max Coin cryptocurrency
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What is MaxCoin?

Maxcoin is an alternative cryptocurrency introduced in 2014.

Technical Information

  • ~100,000,000 coins
  • 8 coins rewarded per block, halving every 4 years - last halving 16 July 2017
  • 60 second block times
  • difficulty retargeting using a time-warp resistant implementation of KGW

Notable differences from Bitcoin

  • sha3 Keccak encryption instead of sha256
  • replacement of ECDSA with Schnorr signing (Schnorr Signatures)
  • use of secp256r1 curve over secp256k1
  • requirement for public key when verifying transactions
  • capable of hosting smart contracts
  • no premine

Modifications to the RPC API

  • verifymessage
  • makekeypair [hex-encoded prefix]
  • dumppubkey

Additional technical details can be found on Everipedia ( or in the Wiki.

Forked from Bitcoin reference wallet 0.8.5 and Blakecoin


MaxCoin is released under the terms of the MIT license. See COPYING for more information or see