Solana (SOL) price has surged around 7% this week and is currently trading at $142, breaking key resistance levels.BlackRock's BUIDL fund, with assets exceeding $1.7 billion, has launched on Solana's platform, marking a significant institutional adoption milestone.Fidelity Investments has filed for a Solana spot ETF with the Securities and Exchange Commission, showing growing interest in the cryptocurrency.Solana's network activity has increased, with the number of active wallets rising from 1 million to 3 million between March 20th and March 23rd.