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Learn Blockchain, Solidity, and Full Stack Web3 Development with JavaScript – 32-Hour Course - Ep194

Time: 2025-07-11 13:40:47 Source: AIHackNode
a handheld tutorial hellthing you're going to have ai in daily lifeto write thesmart contract yourself and there's someguidelines and some rails that kind ofhelp you out but it's not going to do itfor you okay so that's that's quest oneis or that's challenge one is building adecentralized staking app then challengetwo is BU building a token vendor thisso in challenge one you'll learn thingslike how to send money and do a contracthow to have a contract keep track ofmappings in challenge two you're goingto learn contract to contractinteraction you're going to learn abouterc20you're going to learn about specificallythe approved pattern which is kind of aJerk It's it's hard it's it's it's ahard thing to to deal with is the approvpattern you need to go to your tokencontract and approve the vendor to takesome money then in a second transactionyou need to go to the vendor and havethe vendor grab the money from the tokencontract and do something else so that'sthat's challenge to is learning about uhtokens and vendors and it's starting toreally like get you kind of exposed theidea of this like massive multiplayergame that is ethereum and also kind oflike how to build these vending machinesthat anybody can get to then uh you'llbuild a deck now now once you onceyou're done with zero1 and two you'rereally kind of you have a license tolearn at this point you're you're readyto really like go deal some damage andbuild some cool things maybe go build acouple other things but come back andcome come hit Challenge three Challengethree is going to be a little bit moreopen-ended there's going to be a acohort of other people that are alsobuilding this and you have to getthrough the first three challenges toeven get to Challenge three to even getto this chat room but there's a chatroom where other developers that arealso building their own decks are allthere together and you can kind of learnwith them and chat with them but you'regoing to build an exchange and you'regoing to build an exchange that works ina smart contract in a decentralized waywith no centralized uh breaking pointsand what that's going to mean is you'regoing to have to have reserves of botheth and tokens and you're going to haveto have a pricing function and uh LPtokens and all sorts of other thingsthat you'll have to learn about as youget to it uh then challenge five is amultisig wallet such a fundamental uhimportant thing about how to store youreth safely is going to be in a multisigwallet and how you can have multipleidentities even even like the the baseof like what a dow is is sort of likestarting with a multisig wallet andyou'll need to build one of those you'llneed to understand call data call datais super weird and complex andeverything's a transaction even whenyou're just poking a contract it's atransaction and you have to craft thatcall data correctly to say I would liketo call this specific function on thisspecific contract so that's multisigwallets and then and then it kind ofends up we we've got more challenges inthe pipeline but it kind of ends onbuild an SVG nft so much fun to build annft that crafts the actual drawing inthe smart contract and renders it sothat's the speedrun go speedrun ethereumcheck out scaffold e start buildingbuild something awesome on ethereumhearts hearts hearts go get them AustinGriffith is one of the ogs when it comesto helping Engineers gets caught up andup to speed in the blockchain world somassive thank you to Austin for all he'sdone sofar all right now we're going to getinto nfts let's do this now I've alreadymade a number of videos on what nfts areand how to start working with nfts sowe're going to watch a portion of theprevious python edition of this coursewhere I explain nfts from a high leveland then of course we're going to getinto the ultimate nft tutorial so let'slearn about nfts look nfts are hot rightnow nfts also known as ERC 721s are atoken standard that was created on theethereum platform nft stands fornon-fungible token and is a tokenstandard similar to the erc20 againerc20 is like link a maker all thosegoodies that are found on the ethereumchain and NF t or a nonf fungible tokenis a token that is nonf fungible thismeans that they are starkly unique fromeach other and one token isn'tinterchangeable with any other token ofits class a good way to think about itis $1 is interchangeable with any otherdollar $1 is going to have the samevalue of another dollar those arefungible tokens that's like er c20s onelink is always going to be equivalent toone other link by contrast is going tobe nfts those of you nerds out therewould know like a pokemon would be agood example of an nft your one Pokemonis going to have different statsdifferent move sets and isn'tinterchangeable with any other Pokemonor maybe a more relatable one is like atrading card a unique piece of art orthe like so that's what these nfts arethey are non-fungiblenon-interchangeable tokens that for themoment are best represented or thoughtabout as digital pieces of art that areIncorruptible and have a permanenthistory of who's owned them who'sdeployed them Etc now like I said nftsare just a token standard so you canactually make them do much more thanjust be art you can give them stats youcan make them battle you can do reallyunique things with them you can dopretty much whatever you want with thembut right now the easiest way to thinkabout it and the most popular way tothink about it is by calling them art OtOt it's OT or some type of collectibleor just anything that's unique nowthey've been getting a ton of Buzzrecently because we've been seeing moreand more of these being sold at insaneprices like we saw axe Infinity sellnine plots of their land nine plots oftheir unique land for $1.5 million wealso saw the original creator of theneon cat you know this[Music]cat sold for like 300 eth so apparentlypeople really value these things so likeI said they're just tokens that aredeployed on
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