These four blockchain ETFs have surged over the past two weeks, riding the crypto wave

Blockchain exchange traded funds have risen as much as 30% over the past two weeks on the back of surging cryptocurrencies. Four leading blockchain ETFs that have received a topside ride are Amplify Transformational Data Sharing ETF (NYSEARCA:BLOK), VanEck Vectors Digital Transformation ETF (NASDAQ:DAPP), Bitwise Crypto Industry Innovators ETF (NYSEARCA:BITQ) and Viridi Cleaner Energy Crypto-Mining & Semiconductor ETF (NYSEARCA:RIGZ). The ETFs have rallied in line with upward moves over the past two weeks for cryptocurrencies like Bitcoin (BTC-USD) and Ethereum (ETH-USD). BTC is +27% and ETH +44% dating back to July 20. Below is a breakdown of each of the four blockchain-related exchange traded funds: Amplify Transformational Data Sharing ETF BLOK is an actively managed ETF that has rallied +13.7% over the past two weeks, and has also returned investors +28.2% YTD. That's better than the benchmark SPDR S&P 500 Trust ETF (NYSEARCA:SPY). The Amplify ETF seeks to invest in businesses involved in blockchain transactions, crypto mining, semiconductors and similar areas. It