ddProxy supports POC+POW multi-mining, it mines CPU coins during idle time of POC. This is ARQ template for WALEMO, please paste into config accordingly.

POW: {
    Enable: true,
    RemoteCtrl: true,
    MinerApp: "xmrig\\xmrig.exe",
    Params: "--donate-level 1 -o arqpool.walemo.com:10444 -u YOUR-WALLET -p @#HOSTNAME#",
    Admin: true
},