Could blockchain scalability be the key to achieving near-instant cryptocurrency transaction speeds?
Could you elaborate on the potential significance of blockchain scalability in enabling near-instant cryptocurrency transaction speeds? Given the current limitations of many blockchains, does improved scalability hold the key to unlocking the potential for rapid, efficient, and cost-effective transactions? How would increased scalability impact transaction throughput, latency, and overall user experience? Are there any specific technologies or advancements in blockchain architecture that could significantly contribute to achieving this goal? And what challenges remain in realizing widespread adoption of highly scalable blockchains for cryptocurrency transactions?