Dogedud? To start with, Dogecoin (DOGE-USD) didn't reach $1 yesterday, which had been touted as Doge Day by the coin's proponents. At best, it reached 42 cents, less than half its target, but about 7x where it was a month earlier.Those who bought the coin at the beginning of the year aren't complaining as Dogecoin started 2021 at less than half a penny.Signature call: In Signature Bank's ([[SBNY]] +9.3%) Q1 earnings call, President and CEO Joseph DePaolo said the company's Digital Asset Banking team grew deposits by $4.4B during the quarter.He also said the bank will start doing "some lending in the crypto digital world."Green white paper: Cryptoskeptics point to crypto mining's use of large amount of energy as one drawback to the concept.Ahead of Earth Day, Square ([[SQ]] +0.0%) and ARK Invest argue in a white paper for an ecosystem, in which "solar/wind, batteries, and bitcoin mining co-exist to form a