Arbitrum has achieved a milestone with its total value locked (TVL) reaching $5 billion, signaling strong investor confidence in Ethereum layer two solutions. Analysts view ARB as undervalued compared to competitors, with potential gains of 125% if it surpasses the $1.2 resistance level, targeting $2.2 next. The token's bullish momentum is supported by a golden cross formation and positive market sentiment, despite a recent 10% drop in price.