Former ETH maxi, Infinex’s Kain Warwick, reveals he has sold 90% of his Ethereum, but still believes in its potential.Kain Warwick suggests that increased demand for Ethereum and block space on L1 could drive a potential comeback.Warwick believes that if layer-2 networks start paying more for using the base layer's security, it could positively impact Ethereum's momentum.Increasing the margin on blockspace by charging more to L2s could be bullish for Ethereum, according to Warwick.