DeFi, social media and data breaches are also acknowledged as "risk factors" for investors in the company's hot-off-the-presses prospectus.
Cryptocurrency exchanges Gemini and Kraken reported delays in automated clearing house and FedWire transactions due to the outage.
Bitcoin's price has declined 20% since Sunday.
Bitcoin is up almost 100% since the start of the year but there are a number of bearish signals that suggest momentum is starting to drop off.
"The best reason to focus on bitcoin’s rise is what it tells us about the risks that may be bubbling up amid the Federal Reserve’s commitment to zero interest rates,"...
One analyst said the ETF could reach $1 billion in assets under management by the end of next week.
The fund has experienced a flurry of demand where trade volumes hit well above the country's typical day one ETF threshold.
Bitcoin ETFs allow investors to gain exposure to the leading cryptocurrency without having to actually own it.
Those who compare Bitcoin to the great bubbles of the past need to check the historical books. This moment is very different.
Cryptocurrency analysts explain what comes next for the bitcoin market after prices rose this week above $50,000 for the first time.