Welcome to Bitcoin Vault mining
Watch this video tutorial on how to purchase a mining plan from coineal exchange to mining city
Free to register here while doing your research:
https://me.miningcity.com/referral-register/btcleverage03
Bitcoin Vault details:
Total Supply: 21M
Available in 7 exchangers
Check it here : https://coinmarketcap.com/currencies/bitcoin-vault/