Crypto News April 21, 2026: Bitcoin and Crypto News — Daily Highlights [LIVE] April 21, 2026: Bitcoin and Crypto News — Daily Highlights 📌 Daily Summary🏁 STREAM ENDEDMarket activity is ongoing...20:37📰 The Altcoins with the Most Active Users in the Past Week Have Been RevealedA list of altcoins with the most active users in the cryptocurrency market over the past week has been published.20:24🔥 BREAKING: Donald Trump Announces Ceasefire with Iran Extended!US President Donald Trump made a statement regarding the diplomatic process with Iran. Trump stated that there was…20:00📰 A Serious Security Vulnerability Has Been Discovered in an Altcoin – Developers Are Allegedly Ignoring ItFollowing recent hacking incidents in the cryptocurrency market, it has been alleged that one altcoin has a serious security vulnerability.19:34🔥 JUST IN: Statements from Iran as the Deadline for a Ceasefire NearsAs the ceasefire between Iran and the US is expected to end tonight, new statements have come from Iran. Here are the details.19:23⚠️ Watch Out: Another Manipulation Alert for an Altcoin—They Accumulated Just Before the Rally, and Nearly All of It Is Now in the Hands of a Single PersonThe cryptocurrency analysis platform Bubblemaps has stated that a significant portion of the supply of a recently popular memecoin is held by a single individual.123456» Follow our Telegram and Twitter account now for exclusive news, analytics and on-chain data!