AltcoinsJanuary 1, 2020 Here Are the 30 Best-Performing Cryptocurrencies of 2019 While Bitcoin (BTC) posted a solid 88% gain on the year, securing its spot as the best investment of the decade, the vast majority of altcoins failed to … Source: Here Are the 30 Best-Performing Cryptocurrencies of 2019 Related posts Crypto News Roundup for June…Bitcoin gives 'encouraging signs' —…Solana (SOL) and Avalanche (AVAX)…$ADA: Cardano's Vasil Hard Fork…Citi Partners With METACO To…How Popular Must Certain Altcoins…DOGE in the green for…How Popular Must Certain Altcoins…Little-Known Altcoin Erupts 250% After…First Mover Americas: BTC Holds…