NFTs yog ib qho kev ua si-hloov tshuab, muab tswv cuab rau cov cuab tam digital thiab ua daim ntawv pov thawj rau cov neeg tuav lossis nkag mus rau cov yuam sij rau cov ntsiab lus hauv qab, uas tuaj yeem yog suab paj nruag, tsos, kos duab, vaj tse, thiab ntau yam khoom. Txawm li cas los xij, ua li cas Nonfungible tokens (NFTs) pab tau hauv cov ntsiab lus tiag yog metadata. Nws yuav tsis yog lo lus buzz raws nraim tab sis nws ua kom tus neeg siv tuaj yeem ua qhov NFT yog txhua yam hais txog.
Metadata yog cov ntaub ntawv hais txog cov ntsiab lus uas NFT sawv cev. Raws li cov ntaub ntawv loj tsis tuaj yeem khaws cia ntawm blockchain rau qhov yooj yim vim li cas lawv dhau los ua kim heev, NFTs, feem ntau, tsuas yog taw tes rau cov ntaub ntawv khaws cia sab nraum blockchain. Hais tias, tsuas yog a ob peb NFT artworks tau khaws cia rau ntawm cov saw hlau.
Kab lus no piav qhia NFT metadata, dab tsi ua rau tso cov ntsiab lus ntawm blockchain tsis ua haujlwm, thiab yuav ua li cas nrhiav NFT metadata ntawm Opensea thiab Rarible. Cia peb pib nrog kev nkag siab dab tsi NFT metadata tiag tiag yog.
Dab tsi yog nonfungible token (NFT) metadata?
NFT hais txog cov cuab yeej digital tshwj xeeb uas tuaj yeem ua rau hauv daim ntawv ntawm JPEG, GIF lossis MP4 cov ntaub ntawv. Txawm hais tias lub token nws tus kheej yog tuav ntawm blockchain, cov ntaub ntawv hauv qab yog khaws cia tawm ntawm cov saw hlau. NFT metadata taw qhia cov lus qhia tshwj xeeb txog cov ntaub ntawv khaws cia. Nws yuav suav nrog cov ntaub ntawv xws li NFT lub npe, kev piav qhia ntawm NFT, keeb kwm kev hloov pauv, txuas mus rau cov duab tuav, qhov zoo thiab ntau dua.
Raws li qhov zoo ntawm NFT metadata, nws pab daws cov kws tsim qauv tsim cov teeb meem kev lag luam thaum tuav cov ntaub ntawv loj ntawm cov saw hlau. Txoj kev nyiam tshaj yog rub tawm qhov txuas ntawm cov ntsiab lus mus rau blockchain thaum khaws cov ntsiab lus ntawm HTTP URL ntawm Is Taws Nem tam sim no lossis InterPlanetary File System (IPFS).
IPFS yog cov ntaub ntawv sib koom ua phooj ywg-rau-peer (P2P) network rau khaws cia thiab sib qhia cov ntaub ntawv hauv cov ntaub ntawv faib tawm. Cov metadata ua haujlwm raws li cov tswv yim ntawm NFT ntse daim ntawv cog lus ib qho yuav tsum tau xa mus rau ntawm blockchain network.
Metadata yog teev nyob rau hauv tus qauv JavaScript Object Notation (JSON) hom. Sab hauv ntse ntawv cog lus, txawm li cas los xij, cov ntaub ntawv khaws cia ua Universal Resource Identifier (URI) raws li khaws cia raws li JSON yog qhov xav tau ntawm cov peev txheej dhau los. Txawm li cas los xij, Cov neeg siv tuaj yeem rub tawm NFT metadata ntawm yuav.
Vim li cas metadata rau cov ntaub ntawv off-chain xav tau?
Qhov loj loj ntawm cov duab, suab thiab cov ntsiab lus video ua rau uploading nws mus rau blockchain kim heev. Piv txwv li, yog tias ib tug neeg xav tau khw ib gigabyte ntawm cov ntaub ntawv ntawm Ethereum blockchain, nws yuav raug nqi kwv yees li ntawm $ 35 lab. Yog tias ib qho yeeb yaj kiab ntawm 160 feeb khib nyiab khaws cia rau ntawm blockchain, nws yuav raug nqi ntau dua li cov nuj nqis ntawm kev ua yeeb yaj kiab, piv txwv li, $ 237 lab.
Txoj hlua URI, raws li tau hais los saum no, qhia qhov chaw uas ib tus tuaj yeem pom lub cim JSON cov lus piav qhia. Cov metadata cuam tshuam nyob twj ywm raws li cov ntaub ntawv tas mus li ntawm blockchain, piav qhia tias tus token sawv cev li cas.
Dab tsi Opensea thiab Rarible ntxiv rau NFT ecosystem?
Kev thov loj rau NFTs tau coj mus rau qhov xav tau kev lag luam uas cov neeg siv tuaj yeem tsim, hloov pauv thiab tau txais nyiaj lawv cov peev txheej. Cov chaw lag luam muab cov cuab yeej rau cov haujlwm no, uas yog qhov tseem ceeb heev rau kev ua kom NFT txav mus. Topping daim duab yog Opensea thiab Rarible, ob lub platform qhib qhov twg leej twg tuaj yeem mint thiab pauv NFTs.
OpenSea yog lub ntiaj teb thawj zaug thiab loj tshaj plaws kev lag luam rau NFTs, ua rau cov neeg siv tau dov tawm lawv tus kheej NFT cov khoom sau los muag ntawm lub platform. Simplifying cov txheej txheem intricate yuav tsum tau rau kev tswj thiab monetizing NFTs, OpenSea muab infrastructure rau minting, teev thiab trading NFTs. Thaum pib tsim los txhawb CryptoKitties, OpenSea tau loj hlob los ua NFT cov neeg koom nrog mus rau kev lag luam.
Tsis tshua muaj kuj yog ib tug phooj ywg-rau-peer (P2P) rooj vag mus rau hauv lub NFT ua lag luam, muab yooj yim minting thiab trading nta. Tsis zoo li OpenSea, Rarible siv nws cov cim keeb kwm, RARI, los tswj hwm lub platform thiab pab kom cov neeg tuav ntawm RARI pov npav rau cov kev txiav txim siab tseem ceeb.
Yuav ua li cas saib NFT metadata ntawm OpenSea?
Txhua tus tub luam caij nyoog yuav xav saib NFT metadata ntawm OpenSea kom paub seb NFT yog dab tsi. Tshawb xyuas metadata ntawm OpenSea yog qhov yooj yim zoo nkauj. Txhawm rau kom nkag siab yooj yim, cia peb tsom mus rau kev nrhiav metadata ntawm NFTs raws li Ethereum.
Cov txheej txheem yog raws li hauv qab no:
1. Qhib NFT lawv xav tau metadata rau.
2. Scroll cia thiab nyem rau ntawm "Cov Lus Qhia" tab thiab nyem qhov txuas ntawm qhov chaw nyob hauv daim ntawv cog lus.
3. Hauv qhov txuas Etherscan uas tshwm ntawm qhov screen, tom qab ntawd luam qhov chaw nyob hauv daim ntawv cog lus.
4. Tus neeg siv tam sim no ntaus api.opensea.io/asset/ nyob rau hauv lub thawv ntawv URL thiab pastes qhov chaw nyob daim ntawv cog lus tom qab slash ntawm qhov kawg ntawm qhov URL, ua raws li tus token ID hais nyob rau hauv cov lus cog tseg.
Cov metadata hauv JSON hom tshwm nyob rau ntawm qhov screen. Mus nrhiav metadata ntawm NFTs tuav ntawm lwm cov blockchains, ib tug siv ib tug cuam tshuam blockchain explorer kom tau qhov chaw nyob daim ntawv cog lus. Piv txwv li, yog tias NFT tau tuav ntawm Solana blockchain, nyem qhov txuas ib sab ntawm "Hloov Chaw Nyob" ntawm "Cov Lus Qhia" tab yuav siv ib qho rau Solana explorer Solscan.io. Ib tus tuaj yeem siv qhov cuam tshuam API kom tau txais cov metadata.
Yuav ua li cas nrhiav NFT metadata ntawm Rarible?
Zoo li OpenSea, Rarible tseem muaj txoj hauv kev los nrhiav cov ntaub ntawv hais txog metadata. Txhawm rau nkag siab txog cov txheej txheem, cia peb siv NFT nrov raws li Ethereum blockchain hu ua EXIO, tus tsav uas nkag mus rau hauv huab cua ntawm lub ntiaj teb tswj los ntawm kev nco qab psychedelic.
Nov yog cov txheej txheem los nrhiav NFT metadata rau EXIO ntawm Rarible:
1. Ntawm Rarible, tus neeg siv qhib nplooj ntawv ntsig txog NFT, xws li EXIO, raws li pom hauv daim duab hauv qab no.
2. Scroll qhov screen downwards. Hauv qab Cov ntsiab lus tab, nyem Saib ntawm Etherscan.
3. Los ntawm qhov screen, nyem rau ntawm tus lej Token ID hauv xiav.
4. Tus neeg siv tam sim no yuav raug coj mus rau nplooj ntawv tshiab.
5. Luam daim ntawv cog lus chaw nyob.
6. Txhawm rau nrhiav cov metadata, ntsaws rau hauv qhov txuas hauv qab no hauv cov ntawv muab.
https://api.rarible.org/v0.1/items/ETHEREUM:Contract Address: Token id
Rau qhov chaw nyob daim ntawv cog lus, qhov txuas yuav yog
https://api.rarible.org/v0.1/items/ETHEREUM:0x3D34D2A719C2666e603650858ac159D12e623B77:10029
Cov metadata yuav tshwm sim ntawm qhov screen.
Txhawm rau nrhiav metadata ntawm NFTs tuav ntawm blockchains uas tsis yog Ethereum ntawm Rarible, txhua tus yuav tsum tau ua yog hloov Ethereum nrog lwm qhov blockchain ntawm lawv xaiv. Qee zaum, tsis muaj tus lej cim npe. Hauv qab no yog cov piv txwv rau txhua qhov tshwj xeeb blockchain sawv cev ntawm Rarible:
Siv cov metadata rau hauv tus account thaum trading ntawm OpenSea thiab Rarible
Metadata pab cov neeg siv kom tsom mus rau kev ua tswv cuab thiab kev lag luam ntawm NFTs, yog li ua rau cov tokens siv tau rau hauv ib txoj hlua ntawm kev siv xws li kos duab, vaj tse, suab paj nruag, zam, kev ua si, cov saw hlau, khoom kim heev, muag daim pib thiab ntau dua. Kev nkag mus tam sim rau cov ntaub ntawv tseem ceeb no ua rau muaj txiaj ntsig zoo rau kev siv lub ntiaj teb tiag ntawm NFT thev naus laus zis. Kev siv cov metadata los ntawm cov neeg siv yuav txhawb kev ruaj ntseg hauv ecosystem, ntxiv cov txiaj ntsig zoo rau nws.
Ib qho loj ntawm cov tub lag luam ntawm cov platforms xws li OpenSea thiab Rarible zoo li saib cov metadata raws li cov khoom siv thiab tsis thab xyuas nws. Txawm li cas los xij, txhua tus tub lag luam uas paub txog yuav paub tias nws tseem ceeb npaum li cas kom paub txog txhua yam khoom siv tau txog NFTs lawv yuav yuav. Ob lub platform muab cov neeg siv nrog txoj hauv kev yooj yim los nrhiav cov metadata txog cov NFTs tshwj xeeb thiab xyuas kom cov tokens lawv yuav tsim nyog rau qhov kev txiav txim.
Kev yuav a daim ntawv tso cai rau tsab xov xwm no. Tsim los ntawm SharpShark.
Tau qhov twg los: https://cointelegraph.com/news/how-to-find-nft-metadata-on-opensea-and-rarible