Key TakeawaysBitcoin traded near $82,450 on Friday, up 1% over 24 hours but down nearly 3% for the week.Ethereum declined 7% for the week, despite a 1.3% daily recovery.President Donald Trump announced an agreement for Russian diesel supplies, sending November heating oil futures down 1.6%.Crypto markets faced pressure from rising energy prices, interest-rate concerns and reports of potential hardware wallet security incidents.Investors are awaiting next week's U.S. CPI and PPI inflation reports for further signals on Federal Reserve policy.Bitcoin Rally Fades as Weekly Losses MountBitcoin retreated from Friday's intraday highs, trading near $82,450 toward the end of the U.S. stock market session.Although BTC remained approximately 1% higher over the preceding 24 hours, it had fallen around 1% from its earlier Friday peak and nearly 3% over the week.Bitcoin approached $87,000 on Sunday before experiencing several days of downward pressure. Ethereum followed a similar pattern, recording a weekly decline of approximately 7%.Oil Prices Retreat After Trump Announces Russian Diesel AgreementPresident Donald Trump said he had reached an agreement with Russian President Vladimir Putin for additional diesel supplies to the U.S. and global markets.According to Trump's announcement, Russia would initially supply more than 300,000 tons of diesel, followed by another 500,000 tons in November and additional shipments thereafter.Following the announcement, November heating oil futures declined 1.6% to $4.66 per gallon.The U.S. 10-year Treasury yield also eased slightly, trading around 5.25%, although it remained two basis points higher on the day.Fed Inflation Data and Crypto Security Risks Remain in FocusThe cryptocurrency market faced several sources of uncertainty during the week, including higher oil prices, elevated Treasury yields and concerns surrounding potential vulnerabilities in crypto wallets.Hardware wallet manufacturer Ledger said it was investigating reports of missing customer funds involving devices purchased through a third-party reseller in Southeast Asia. The reported $86 million loss remains unverified, and the cause has not been established.Meanwhile, investors are preparing for next week's September Consumer Price Index (CPI) and Producer Price Index (PPI) releases.Markets currently favor the Federal Reserve holding interest rates unchanged at its October 27–28 meeting, while expectations for another increase in December remain.The upcoming inflation data could influence those expectations and the direction of Treasury yields, the U.S. dollar and Bitcoin.Adding final touches89%