Cryptocurrency refers to digital or virtual currencies that use cryptography for security. Blockchain technology, a decentralized and distributed digital ledger, underpins many cryptocurrencies like Bitcoin. President Trump hosted the first White House Crypto Summit to discuss the potential integration of Bitcoin into the U.S. financial strategy. - President Trump hosted a White House summit with cryptocurrency leaders. - The summit focused on making the U.S. the crypto capital. - Discussions included regulation of cryptocurrency. - A strategic Bitcoin reserve was a key topic of the summit.