Metamask yog ib qho ntawm cov npe nrov decentralized hnab nyiaj. Nws tso cai rau cov neeg siv tau yooj yim khaws cov tokens, NFTs, thiab lwm yam khoom ntawm DeFi. Txhua tus tuaj yeem yooj yim rub tawm lub app lossis txuas ntxiv, tsim ib tus account, thiab pib siv nws. Txawm li cas los xij, muaj txoj hauv kev ua kom koj Metamask me ntsis zoo dua, sai dua, thiab txhim khu kev qha. Tias yog vim li cas hauv tsab xov xwm no, peb yuav mus dhau qhov pib, tom qab ntawd saib yuav ua li cas teeb tsa RPC ntawm Metamask.
METAMASK yog lub mobile app thiab browser txuas ntxiv uas cia cov neeg siv txuas lawv lub hnab nyiaj rau decentralized apps (DApps). Muaj ob peb DEXs muaj, suav nrog Aave, OpenSea, Thiab Kava. Koj yuav tsum muaj peev xwm sib txuas lus nrog lawv cov txheej txheem txhawm rau nkag mus rau cov DEXs. Txhawm rau ua li ntawd, koj tsuas yog txuas mus rau lub network uas DEXs tau siv Metamask. Qhov no yog technically koj lub rooj vag rau hauv Web3.0 qhov chaw.
Puas yog METAMASK lub hnab nyiaj?
Technically yog, METAMASK muaj ob lub luag haujlwm, thawj yog tus choj rau decentralized apps (smart-contracts friendly), thiab qhov thib ob, ua ib decentralized hnab nyiaj. Yog li yog, koj tuaj yeem hais tias Metamask yog lub hnab nyiaj uas tso cai rau koj:
- Xa Tokens
- Txais Token
- Khaws NFTs
- Nkag mus rau DApps ntiag tug
- Stake Token
Puas yog METAMASK hnab nyiaj SAFE?
kiag li! Xav txog nws li no… Blockchain yog ib lub tshuab uas muaj kev txaus siab rau ob qho tib si tsis qhia npe thiab kev nyab xeeb. Blockchain thev naus laus zis tam sim no tau suav tias yog kev nyab xeeb heev uas cov tuam txhab loj tau xaiv los txais yuav nws sab hauv. Yog Amazon Managed Blockchain Tam sim no txhawb nqa Ethereum blockchain, vim li cas ho tsis koj, tus phooj ywg ruaj ntseg? Cia li nco ntsoov khaws koj tus kheej noob paj lug nyob rau hauv ib qho chaw nyab xeeb, thiab ceev faj phishing dag.
Yuav kom nkag siab tias vim li cas Metamask yuav hnov mob qeeb, nws yog ib qho tseem ceeb kom nkag siab tias cov nodes yog dab tsi.
Dab tsi yog Nodes hauv Blockchain?
Thaum Metamask txuas rau blockchain, nws pib txuas mus rau a ntawm ntawm blockchain ntawd. Nws ua li ntawd los nyeem thiab sau cov ntaub ntawv raws li koj cov dej num. Feem ntau, Metamask txuas rau a default node provider uas txhua tus neeg siv Metamask qhia. Qhov no tso cai rau cov neeg siv tau yooj yim pib siv Metamask ntawm kev mus yam tsis muaj qhov cuam tshuam ntawm kev txuas mus rau ib qho ntawm.
Txawm li cas los xij, qhov no tsis yog qhov kev daws teeb meem zoo tshaj plaws, vim tias lub neej ntawd ntawm lub neej ntawd yuav dhau los nrog kev thov. Tias yog vim li cas kev ua lag luam ua qeeb qeeb, cov neeg siv yuav pom cov ntaub ntawv thaiv tsis tu ncua, thiab qhov phem dua, lub neej ntawd ntawm lub neej yuav raug kaw yam tsis tau xav txog.
A Cov Txheej Txheem Qhib Suab (PRC) yog ib txoj hauv kev sib txuas lus nrog lwm tus servers nyob deb. Nws muab lub peev xwm los khiav cov kev pab cuam hauv ib qho chaw sib cais. Rau Metamask, RPCs tso cai rau cov neeg siv nkag mus rau tus neeg rau zaub mov ntawm lub network tshwj xeeb. Thaum koj xub tsim ib tus account, koj yuav raug txuas mus rau ib qho kev blockchain (ex. Ethereum blockchain) los ntawm ib qho default RPC.
Yog tias koj xav txhim kho koj qhov kev paub Metamask, koj yuav xav ntxiv ib qho kev cai RPC rau koj Metamask. Qhov no yuav tshem koj ntawm qhov "overloaded" node uas txhua tus neeg siv lub neej ntawd siv thiab ntsaws koj rau hauv lwm qhov "tsis ua haujlwm tsis zoo" ntawm no.
Ethereum Layer 2s yog dab tsi?
Ib txheej Ethereum 2 yog ib lub network sib txawv uas ua haujlwm nrog Ethereum network (mainnet) thiab yog sidechains rau nws. Muaj ntau ntau yam sib txawv rau cov L2 tes hauj lwm xws li polygon, kev txiav txim, Loopring, Thiab Txhim kho X.
Txheej 2 kev daws teeb meem nqa qhov hnyav tawm ntawm cov saw tseem ceeb los ntawm kev ua cov ntaub ntawv uas yuav ua rau nws ntsib teeb meem. Ib qho piv txwv zoo yog nqa tawm kev lag luam tawm ntawm cov saw tseem ceeb. Ua qhov no ua rau txoj hauv kev rau lub ntsiab blockchain kom muaj peev xwm ua tau ntau yam kev lag luam. Tsis tas li ntawd, kev ruaj ntseg ntawm cov kev daws teeb meem yog ib txwm zoo nyob rau hauv lub siab tias tib yam kev ruaj ntseg npog nws raws li cov saw tseem ceeb. Qhov no yog vim qhov kev daws teeb meem ib txwm ua rau saum lub ntsiab blockchain. Lawv kuj raug suav hais tias yog off-chains.
Txhawm rau xaiv qhov sib txawv, koj yuav tsum xub txiav txim siab seb lub network twg koj xav mus rau. Hauv qhov piv txwv no, peb yuav xaiv siv Polygon PoS mainnet.
thawj, mus rau lub vev xaib official ntawm Polygon. Hauv lawv ntaub ntawv pov thawj, lawv yuav muab tag nrho cov ntsiab lus uas koj yuav tsum tau sau rau hauv. Tib yam tawm mus rau lwm lub network.
Ob txhais, koj yuav mus rau koj lub hnab nyiaj Metamask thiab nyem rau ntawm "Add Network" los ntawm Mainnets dropdown.
Tom qab ntawd koj yuav raug xa mus rau nplooj ntawv "Add a Network". Los ntawm qhov ntawd, koj yuav xav tau 5 cov ntaub ntawv tseem ceeb uas koj yuav luam / muab los ntawm cov ntaub ntawv tseem ceeb uas peb tau pom yav dhau los:
- Network Lub Npe: Polygon
- Tshiab RPC URL (Node kawg): wss://rpc-mainnet.matic.network/
- Chain ID (chainId): 137
- Currency Symbol (Gas Token): MATIC
- Block Explorer URL (Block explorer): https://polygonscan.com/
Thaum ua tiav, nyem rau ntawm lub pob "txuag". Lub network tshiab yuav raug ntxiv rau koj Metamask, thiab koj tuaj yeem xaiv lub network tshiab no los ntawm cov kev xa tawm hauv network.
Koj kuj tseem nyiam
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