what is Ethereum?

https://www.youtube.com/watch?v=TGi66qCnHmI

👍 cube48, anyx, kushed, stone1, steemychicken1, stoner19, patrice, hagie, lifeisawesome, kingsmind, spg, ozchartart, zoee, timbernana, fabio, juneaugoldbuyer, ozmaster, allasyummyfood, steemizen, wackou, joseph, brich, strangerarray, pkattera, knozaki2015, coinbar, croatia, virtualgrowth, thegame, steembets, vannour, steemvest17, innafanz, steemland.com, steemprentice, irawandedy, vcelier, evildeathcore, pal, chhaylin, vladimirputin, allesgruen, historyoffuture, angelamerkel, memefactory, reelmusic, einsteinpotsdam, nekromarinist, sirwinchester, aurovine, blockpool, zahnspange, jerryblanceton, berniesanders, thecyclist, unipsycho, engagement, berkah, picokernel, pheonike, jaycobbell, dolov, tamersameeh, thomasp, pharesim, tarindel, bledarus, kingscrown, ihashfury, rossco99, boatymcboatface, theshell, finleyexp, soushi888, buzzbeergeek, bola, fminerten, inv, fmooo, steempty, thomasgutierrez, benjer0987, stray, boomerangbread, mprgrmmr, everybitmatters, northx4, phrase, teammo, mathworksheets, arcange, goldmatters, syn999, weq, thankyoujay, samuelson78, juvyjabian, htliao, graveric60, naanruble, kyriacos, rubenalexander, deadmosco, classicstar, barrydutton, leomichael, lautenglye, sephiroth, jraysteem, sassal, rapp, dazanar, trafalgar, contentguy, marcusxman, noodles.pan, yacov, youknow212012, hiimamazing, arconite, jackelinlopez, cazimi, mikeinfla, grey580, coinhub, honna, cryptodog, abdullar, nativo, lfoote, projectandina, twoplusone, user786, coocoocachoo, rng, steemitboard, elevator09, jonmudafuginavri, emilniz, genics, rdickey, k-zet, wattacut, sneakgeekz, mxzn, dowithlove,