The cryptocurrency market finished another difficult week on a low note on Friday, with most major currencies trading down more than 2 percent on the day. Here’s a look at some of the headlines that were moving the cryptocurrency market this week and which currencies were on the move.

Headlines

On Thursday, a new report out by Yale economists claimed there is a 0.4 percent chance bitcoin will eventually end up completely worthless. While that probability may seem extremely small, it's roughly 44 times more likely bitcoin becomes worthless than the euro becomes worthless, according to the report.

Price Action

The Bitcoin Investment Trust (OTC:GBTC) traded at $9.63, down 5.1 percent for the week.

Here’s how several top crypto investments fared this week. Prices are as of 3:45 p.m. ET and reflect the previous seven days.

• Bitcoin declined 14 percent to $6,422;
• Ethereum declined 14.4 percent to $356;
• XRP declined 24.1 percent to 33 cents;
• Bitcoin Cash declined 17.9 percent to $593;
• EOS declined 23.7 percent to $5.49.

The three cryptocurrencies with at least $1-million market caps that have made the biggest gains over the past seven days are:

• InflationCoin: $3.7-million market cap, 391.0-percent gain.
• Global Currency Reserve: $13.7-million market cap, 116.5-percent gain.
• BunnyCoin: $4.8-million market cap, 107.6-percent gain.

The three cryptocurrencies hit hardest in the past seven days were:

• AC3: $3.7-million market cap, 54.5-percent decline.
• AurumCoin: $5.7-million market cap, 51.5-percent decline.
• Local World Forwarders: $1.3-million market cap, 48.2-percent decline.

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