Let's explore the best cryptocurrencies under $1.QuantStamp (QSP) QuantStamp is known as the first scalable security-audit protocol made to trace the security loopholes in making Ethereum smart contracts. IOTA (MIOTA) Ardor (ARDR) Nem (XEM) Stellar Lumens (XLM) Cardano (ADA) BitTorrent (BTT) Pundi X (NPXS)Plus…•