So far the readers on the Bitcointalk forum have suggested:

  1. Self-fund
  2. GPU mining a PoW algorithm that’s, not easy for ASICs or CPU botnet
  3. PoS with the right set of parameters, algo
  4. New algo, like NIST5
  5. HODL memory hard algo
  6. Airdrop
  7. Ethereum cloning guide bounty