Which Cryptos made the biggest gains this year?

With the dynamic and volatile nature of the cryptocurrency market, it's always fascinating to delve into which digital assets have delivered the most substantial gains over the past year. Could you elaborate on which cryptos have emerged as the top performers in terms of price appreciation? Were there any unexpected stars that stole the show, or were the gains predominantly concentrated in established players like Bitcoin and Ethereum? Did any new entrants into the market make significant strides, potentially altering the competitive landscape? I'm particularly interested in hearing your take on the factors that might have contributed to these gains, such as market sentiment, technological advancements, or regulatory developments.