ChainCatcher news, according to Lookonchain monitoring, today ten U.S. Bitcoin ETFs had a net outflow of 2,258 BTC ($222.47 million), among which BlackRock had an outflow of 1,933 BTC ($190.53 million). Currently, BlackRock holds 551,122 BTC, approximately $54.31 billion;Nine Ethereum ETFs had a net inflow of 12,445 ETH ($4.327 million), among which BlackRock had an inflow of 12,721 ETH ($4.423 million). Currently, BlackRock holds 1,056,877 ETH, approximately $3.67 billion.

According to ChainCatcher news, as reported by Bitcoin.com, the holdings of Bitcoin spot ETFs in the United States have surpassed 1.13 million BTC in less than a year, among which:BlackRock leads with 553,000 BTC;Fidelity and Grayscale each hold about 200,000 BTC.

ChainCatcher news, according to Forbes, Musk's xAI company announced on Monday that it has raised $6 billion in a Series C funding round, with the company's valuation exceeding $40 billion as it continues to strengthen its artificial intelligence products and infrastructure.Investors include Blackrock, A16Z, Saudi Arabia's Kingdom Holding Company, Fidelity, and Sequoia Capital, the latter three of which participated in xAI's $6 billion Series B funding round in May this year.In the funding announcement, xAI stated that it is training Grok 3, and according to a tweet released by Musk in June, Grok 3 has not yet been launched and is expected to be released by the end of the year.

ChainCatcher news, according to Lookonchain monitoring, today ten U.S. Bitcoin ETFs had a net outflow of 5,353 BTC ($502.17 million), among which the Grayscale Bitcoin Trust saw an outflow of 1,959 BTC ($184.15 million). Currently, the Grayscale Bitcoin Trust holds 38,276 BTC, approximately $3.6 billion;Nine Ethereum ETFs had a net outflow of 43,129 ETH ($14.21 million), among which BlackRock saw an outflow of 29,988 ETH ($9.881 million). Currently, BlackRock holds 1,017,502 ETH, approximately $3.35 billion.

ChainCatcher message, according to Trader T's monitoring, BlackRock's IBIT pre-market trading volume reached 52 million dollars today, with 44% being active buy orders and 38% being active sell orders.

ChainCatcher news, according to monitoring by The Data Nerd, BlackRock's IBIT deposited 828 BTC, worth $79.57 million, to Coinbase 1 hour ago.This is the first outflow of funds from BlackRock's Bitcoin exchange-traded fund since November 8, and BlackRock's IBIT still holds 553,162 BTC (worth approximately $5.298 billion).

ChainCatcher news, according to Cointelegraph, in the past month and a half, MicroStrategy and BlackRock have purchased a total of 305,734 BTC.

ChainCatcher message, according to SoSoValue data, last week (Eastern Time December 16 to December 20) the Bitcoin spot ETF had a net inflow of 449 million USD. Among them, Grayscale ETF GBTC had a weekly net outflow of 248 million USD, and the historical net outflow of GBTC is 21.29 billion USD.The Bitcoin spot ETF with the highest net inflow last week was BlackRock ETF IBIT, with a weekly net inflow of 1.45 billion USD, and the historical total net inflow of IBIT has reached 37.33 billion USD. The second was Franklin Templeton ETF EZBC, with a weekly net inflow of 5.61 million USD, and the historical total net inflow of EZBC has reached 467 million USD. The Bitcoin spot ETF with the highest net outflow last week was Fidelity ETF FBTC, with a weekly net outflow of 292 million USD, and the historical total net inflow of FBTC has reached 12.02 billion USD.As of now, the total net asset value of Bitcoin spot ETFs is 109.725 billion USD, and the ETF net asset ratio (market value compared to the total market value of Bitcoin) is 5.75%, with a historical cumulative net inflow of 36.052 billion USD.

ChainCatcher news, according to The Block, Securitize Markets, as the transfer agent and broker for BlackRock's dollar institutional digital liquidity fund and its BUIDL token, has drafted a governance proposal for Frax Finance. The proposal states: "In addition to providing utility, relative safety, and convenience for Frax USD, it can also significantly reduce counterparty risk in its reserves by partnering with BlackRock."If the proposal is approved, Frax USD will adopt the BUIDL token as a supporting asset, similar to stablecoins like Ethena's USDtb. BUIDL currently manages assets worth over $530 million, most of which are short-term U.S. Treasury bills.Although the proposal has not yet been put to a vote, the early reactions from Frax Finance DAO members have been generally positive so far. "I fully support this proposal as it brings together the essence of TradFi and DeFi. I believe this partnership will shape the future of the financial industry."

ChainCatcher news, according to Cointelegraph, BlackRock CEO Larry Fink admitted that he was once skeptical about Bitcoin, but he was wrong. He now states, "I believe Bitcoin is a legitimate financial tool."

ChainCatcher news, according to Trader T's monitoring, BlackRock's IBIT had a net outflow of 72.84 million dollars yesterday, marking the 4th net outflow in the 239 trading days since the ETF's inception.

ChainCatcher news, BlackRock's official update on its Bitcoin exchange-traded fund shows that as of December 19, the IBIT holdings reached 553,464.7389 BTC, with a market value of 53,401,161,556.95 USD.

ChainCatcher news, according to Trader T's monitoring, BlackRock's IBIT pre-market trading volume today reached $216 million, with 33% being active buy orders and 39% being active sell orders.

ChainCatcher news, according to Lookonchain monitoring, today ten U.S. Bitcoin ETFs had a net inflow of 2089 BTC ($210.25 million), among which BlackRock had an inflow of 3548 BTC ($357.18 million), currently holding 553,465 BTC, valued at $55.71 billion;Nine Ethereum ETFs had a net inflow of 18,894 ETH, among which BlackRock had an inflow of 22,111 ETH ($7.993 million), currently holding 1,047,490 ETH, valued at $3.79 billion.

ChainCatcher news, according to Trader T's monitoring, BlackRock's IBIT pre-market trading volume today reached 89 million dollars, with 46% being active buy orders and 32% being active sell orders.

ChainCatcher news, BlackRock's official update on its exchange-traded fund shows that as of December 18, the IBIT holdings have surpassed 550,000 BTC, reaching 553,464.7389 BTC, with a holding market value of $56,092,361,711.09.

ChainCatcher news, according to Bloomberg, BlackRock's actively managed ETF fund iShares Short Maturity Municipal Bond Active ETF (MEAR) has completed a milestone municipal bond transaction through JPMorgan's blockchain platform.The fund purchased a $6.5 million bond issued by the city of Quincy, Massachusetts, marking the first municipal bond fully issued and traded based on blockchain technology. The MEAR fund currently manages approximately $750 million and has updated its prospectus to support bond settlement through the blockchain platform.

ChainCatcher news, according to Trader T's monitoring, BlackRock IBIT's trading volume reached 50 million dollars before today's opening, with 49% being active buy orders and 33% being active sell orders.

ChainCatcher news, according to official data, as of December 17, BlackRock's Ethereum spot ETF (iShares Ethereum Trust ETF) has reached an ETH holding of 1,025,378 coins, with a market value of approximately $4.04 billion.