code: func GetProofOfWorkImplementations() []string {
  	powFuncNames := make([]string, len(proofOfWorkFuncs))
  
  	i := 0
  	for k := range proofOfWorkFuncs {
  		powFuncNames[i] = k
  		i++
  	}
  
  	return powFuncNames
  }
docs: // GetProofOfWorkImplementations returns an array with the names of all available Proof-of-Work implementations.