iShares Blockchain and Tech ETF(AMEX:IBLC)

IBLC tracks an index of global companies that are involved in the development, innovation, and utilization of blockchain and crypto technologies. The index aims to select Tier 1 companies, primarily those involved in cryptocurrency mining, cryptocurrency trading and exchanges, crypto-mining systems or blockchain technology. It also aims to select Tier 2 companies, which are those that design and manufacture graphics processing unit (GPU) chips necessary for mining. Eligible companies must have at least 50% of their revenue from the relevant theme. The index will have a minimum of 35 constituents, which will include all Tier 1 securities and a minimum of 10 Tier 2 securities, selected in descending order of float-adjusted market-cap. The component securities of the index are weighted by float-adjusted market-cap with Tier 1 securities allocated a minimum weight of 75% in aggregate. Individual Tier 1 securities are capped at 12%, and Tier 2 securities are capped at 4%.