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Syndicate Labs winds down after 5 years, citing shrinking rollup market
ethereum
CoinTelegraphMay 21, 2026

Syndicate Labs winds down after 5 years, citing shrinking rollup market

The Ethereum rollup market is dominated by Arbitrum and Base, which have a combined 68% market share, according to L2Beat.

Binance launches SpaceX pre-IPO perps amid $2 trillion valuation bets
exchanges
CoinDeskMay 21, 2026

Binance launches SpaceX pre-IPO perps amid $2 trillion valuation bets

Binance launches SpaceX pre-IPO perps amid $2 trillion valuation bets.

SEC seeks public comment as it weighs prediction market ETFs
regulation
CoinTelegraphMay 21, 2026

SEC seeks public comment as it weighs prediction market ETFs

Bitwise, Roundhill Investments and GraniteShares had their prediction market ETF applications put on hold by the SEC earlier this month.

Don't call us just a WLFI treasury company, says AI Financial
markets
CoinDeskMay 21, 2026

Don't call us just a WLFI treasury company, says AI Financial

Don't call us just a WLFI treasury company, says AI Financial.

Here's why bitcoin turned lower from the 200-day average
bitcoin
CoinDeskMay 21, 2026

Here's why bitcoin turned lower from the 200-day average

Here's why bitcoin turned lower from the 200-day average.

Hyperliquid ETFs surprise with 50% volume jump after slow launch
markets
CoinTelegraphMay 21, 2026

Hyperliquid ETFs surprise with 50% volume jump after slow launch

ETF analyst Eric Balchunas says crypto and traditional assets are trading down while Hyperliquid is up, leading to a boon for ETFs tied to the token.

Map Protocol token plummets 96% after a quadrillion token mint exploit
ethereum
CoinTelegraphMay 21, 2026

Map Protocol token plummets 96% after a quadrillion token mint exploit

The attacker tricked the Butter Network cross-chain bridge into minting millions more tokens than the legitimate supply of MAPO.

Bitcoin treasury Nakamoto plans reverse stock split to save ailing share price
bitcoin
CoinTelegraphMay 21, 2026

Bitcoin treasury Nakamoto plans reverse stock split to save ailing share price

Shares in Nakamoto closed Wednesday at 16 cents. They are down more than 99% from May last year, when the stock traded above $25.

SEC reviewing implications of delayed prediction market ETFs, Atkins says
regulation
The BlockMay 21, 2026

SEC reviewing implications of delayed prediction market ETFs, Atkins says

SEC Chair Paul Atkins said he instructed the agency's staff to seek public input on prediction market ETFs.

Hyperliquid ETFs attract record $25.5 million in net inflows as institutions pile in
markets
The BlockMay 21, 2026

Hyperliquid ETFs attract record $25.5 million in net inflows as institutions pile in

U.S. spot HYPE ETFs saw $25.5 million in net inflows on Wednesday, marking their largest positive flows since launch.

Fed seeks input on expanding master account access following Trump’s executive order
regulation
The BlockMay 21, 2026

Fed seeks input on expanding master account access following Trump’s executive order

Trump signed an order on Tuesday requesting the Fed to review and update regulations to integrate digital assets into traditional systems.

SpaceX reveals larger-than-expected Bitcoin holdings in IPO filing
bitcoin
CoinTelegraphMay 21, 2026

SpaceX reveals larger-than-expected Bitcoin holdings in IPO filing

SpaceX is expected to go public next month, which would make its 18,712 Bitcoin holdings rank seventh among public companies.

Bitcoin Firm Nakamoto Plots 1-for-40 Stock Split Following 99% Price Plunge
bitcoin
DecryptMay 21, 2026

Bitcoin Firm Nakamoto Plots 1-for-40 Stock Split Following 99% Price Plunge

Bitcoin treasury company Nakamoto aims to massively reduce its share count as it seeks a price of at least $1 to regain Nasdaq compliance.

Shai-Hulud: What to Know About the Malware Spreading Through Software Pipelines
markets
DecryptMay 21, 2026

Shai-Hulud: What to Know About the Malware Spreading Through Software Pipelines

The Shai-Hulud supply-chain malware campaign is exploiting the automated systems developers trust to publish software safely.

Polymarket moves to list parlays while SEC seeks public input on prediction market ETFs
regulation
CoinDeskMay 21, 2026

Polymarket moves to list parlays while SEC seeks public input on prediction market ETFs

Polymarket moves to list parlays while SEC seeks public input on prediction market ETFs.

Key Bitcoin price metric used by bulls falls to six-week low, but there’s a silver lining
bitcoin
CoinTelegraphMay 21, 2026

Key Bitcoin price metric used by bulls falls to six-week low, but there’s a silver lining

Profit-taking by Bitcoin traders pushed the Coinbase BTC premium to a six-week low, but demand from longer-term traders put a clear support under the range.

Bitcoin miners tied to AI rise as Nvidia posts big earnings beat and strong outlook
bitcoin
CoinDeskMay 21, 2026

Bitcoin miners tied to AI rise as Nvidia posts big earnings beat and strong outlook

Bitcoin miners tied to AI rise as Nvidia posts big earnings beat and strong outlook.

SpaceX IPO Filing Shows Musk Building an AI and Space Infrastructure Giant
markets
DecryptMay 21, 2026

SpaceX IPO Filing Shows Musk Building an AI and Space Infrastructure Giant

The rocket maker’s IPO filing outlines billions in AI spending, Starship development, and Elon Musk’s effort to combine launch systems, satellite internet,.

Federal Reserve proposes limited master accounts long pursued by crypto firms
markets
CoinDeskMay 21, 2026

Federal Reserve proposes limited master accounts long pursued by crypto firms

Federal Reserve proposes limited master accounts long pursued by crypto firms.

Missouri AG sues crypto ATM operator CoinFlip ‘for enabling scams’
regulation
CoinTelegraphMay 21, 2026

Missouri AG sues crypto ATM operator CoinFlip ‘for enabling scams’

The lawsuit followed the launch of a December 2025 investigation by Missouri authorities into several crypto ATM companies, citing “deceptive fee structure.

Elon Musk's SpaceX IPO Filing Reveals $1.45 Billion Bitcoin Position
bitcoin
DecryptMay 20, 2026

Elon Musk's SpaceX IPO Filing Reveals $1.45 Billion Bitcoin Position

SpaceX is gearing up for what's likely to be a blockbuster IPO, and Elon Musk's aerospace and AI firm holds more Bitcoin than expected.

Coinbase expands branded stablecoin infrastructure business with Flipcash USDF launch
exchanges
CoinTelegraphMay 20, 2026

Coinbase expands branded stablecoin infrastructure business with Flipcash USDF launch

The launch marks Coinbase’s latest push into white-label stablecoin infrastructure for businesses building branded digital payment and settlement systems.

Elon Musk's SpaceX held 18,712 bitcoin at fair value of $1.29 billion at end of Q1, IPO filing shows
bitcoin
CoinDeskMay 20, 2026

Elon Musk's SpaceX held 18,712 bitcoin at fair value of $1.29 billion at end of Q1, IPO filing shows

Elon Musk's SpaceX held 18,712 bitcoin at fair value of $1.29 billion at end of Q1, IPO filing shows.

Elon Musk’s SpaceX holds $1.45 billion worth of bitcoin as firm looks to go public
bitcoin
The BlockMay 20, 2026

Elon Musk’s SpaceX holds $1.45 billion worth of bitcoin as firm looks to go public

A stockpile of over 18,000 would make Elon Musk's SpaceX the seventh-largest Bitcoin holder, ahead of Coinbase.

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