1.ABriefIntroductiontoBityuanBityuanisasimple,stable,efficient,secureandmulti-chainpublicchainnetwork.Ithastheadvantagesofdecentralization,simplicityandstabilityofBitcoin.ItcompletedparachaindeploymentearlierthanPolkadot,andiscompatiblewiththeEVM,whichcanbeusedasthelayer2blockchainofEthereum.Bityuanincorporateszero-knowledgeprooftechnologyandhasthewalletretrievalfunction,lettinguserstradetrustlesslyandsecurely.Moreover,italreadysupportsstoragesharding,andwillgraduallyimplementtheshardingmechanism,upgradingtoahigh-performancedecentralizedpublicchainwith10,000TPS.WiththeincreaseofBityuannodesandenhancedperformance,theblockchainwillbecomeastableandefficientcloudservice.2.ADetailedIntroductiontoBityuanThedistributedledgerrepresentedbyBitcoinandthetoken-inspiredtimestampsystemaregenerallyconsideredtobethepillarsoffuturefinance.Foranemergingtechnology,onlybycontinuoustechnologicalupgradingandoptimization,perfectingfunctionsandimprovingperformancecanitberecognizedbythemarketandwidelyapplied,thusleadingthechangeofanera.Sincethedevelopmentofblockchain,whetheritisEthereumorotherpublicchains,mostofthemarecarriedoutwiththisvision.Bityuanisasimple,stable,efficient,secureandmulti-chainpublicchainnetwork.Themaingoalistoachieveahigh-performancedecentralizedpublicchainandmaketheblockchainastableandefficientcloudservice.ThecoreofBityuanisasstableasBitcoin,withflexibleandefficientscalability,andiscompatiblewiththeEthereumapplicationecosystem.Itcanrealizetrustlessandsecuretransactions.Developerscanbuildapowerfullayer2blockchainecosystemandWeb3applicationsonBityuan.BityuanadoptstheChain33blockchainbottomarchitecture,whichhasamulti-chainarchitectureofmainchain+parachain.Bitcoinisasimpleand stabledecentralizedsystem,butitcannotdocomplexbusinessprocessing.Ethereumhasimplementedsmartcontracts,whichcanhandlecomplexbusiness,butitsperformanceislimitedtoonlydozensoftransactions.Theperformanceproblemofdecentralizationhasalwaysbeenadevelopmentbottleneckofthepublicchain.Bityuanhasamulti-chainarchitectureofthemainchainandparachain.Themainchainisresponsibleforconsensus,makingthemainchainassimpleandstableasBitcoin,withdecentralizedgovernance.Andtheparachainisresponsibleforthebusiness.EachparallelpublicchainhasbothdiversifiedandindependentblockchainecosystemconstructionandDAppdevelopment,whichcanalsorealizeefficientcross-chaintransactionsbetweenmultiplechains.ThiswayofseparatingconsensusfrombusinessenablestheBityuanpublicchaintohavethecoreofdecentralizedgovernancewhileimprovingperformance.Thisislikeahighwayexpandingintodozensoforevenhundredsofhighways,whilefuelchargesarestillcalculateduniformly,allowingcarstodriveunimpededly.Bityuansupportstheconsensusconfigurableandaggregatesignaturefunctionoftheparachain.Itsupportssubmissiontothemainchainaftertheconsensusontheparachainiscompleted.Duringthesubmissionprocess,thedatacanbecompressedbywayofaggregatesignature,whichcanreducetheburdenonthemainchainandenablethemainchaintosupportmoreparachains.Theparachainvotesareindependent,andeachparachainnodesendsanindependenttransaction,whichwillcauselargeamountsofresourcewaste.Thenewversioncanaggregatethesesignaturesintoonetransaction.Aftersuchprocessing,thenumberofparachainssupportedbythemainchaincanbeincreasedalot.Forexample,basedonthisfunction,theoriginal1,000parachainswillincreaseexponentially,andusersdonotneedtoworrythatsuchlow-costparachainswillbeexhaustedsoon.Bityuansupportstheaggregatesignaturefunctionofparachain,anditusessmartaccountstolowertheapplicationthreshold.Asweallknow,Bitcoinsupportsitsscriptsforsimpleprogramming,whileEthereumhaschangedthistechnicalrouteandadoptedanaccountmodel.Thesetwomodelsactuallyhavetheirownadvantages,andBityuanmakesthesetwomodelscompatible,makingaccountsbecomeprogrammablesmartaccounts.Thesmartaccountapplicationislightandflexible.Forexample,thesmart accountcanflexiblysetaretrievaladdress.Anotherimportantapplicationofthesmartaccountisthesocialwallet.ThesocialwalletofEthereumisacontractandcreatingthiscontractrequiresalotofgasfees.Transferringfromacontractneedstocallacontractfunction,butsomeEthereumDAppsystemsdonotsupportorarenotcompatiblewiththiskindofcontractwallet,whichaffectsthepromotionofsocialwallets.Thesmartaccounttechnologyweadoptcancreateasocialwalletofflineatzerocost.Userssettheparametersofthesocialwallet,andtheaccountisexactlythesameastheoriginalone.Userscanusethisaccounttodoliquiditymining,orgototheDEXtotrade,andthesecurityofaccountfundsisprotectedinrealtime.BityuanisfullycompatiblewithEthereum.Currently,Ethereumistheworld'slargestapplication-orientedpublicchain.Thesidechainandlayer2blockchainexpansiontechnologysolutionsbasedonEthereumhavebeenwidelyrecognizedbythemarket.Thehugedevelopercommunityandextremelyvigorousapplicationecosystem,havealsomademanypublicchainscompatiblewithit.BityuanalreadysupportstheaddressformatandsignaturemethodofEthereum.ItcanbetradedwithBityuannodesthroughtheweb3.jslibraries.ThesmartcontractisfullycompatiblewiththeEthereumVirtualMachine(EVM),andsupportsdeveloperstoseamlesslydeploysmartcontracts.Inthemeantime,theparachaincanbeusedasthelayer2chainofEthereum,whichisperfectlyintegratedintotheEthereumecosystem.BityuanincorporateszkSync'szero-knowledgeproofscheme.Whenwetradeonadecentralizedexchange,howcanweensurethesecurityofassetswhilereducinggascostsandimprovingtransactionperformance?Theadvantageofzero-knowledgeprooftechnologyisthatitcanprovethecorrectnessofapropositionwithoutrevealinganyotherinformation.Bityuanintegratesthezero-knowledgeproofschemeofzkSync,whichrealizesthesafecross-chainandassettransferbetweentheBityuanmainnetandotherL1publicchainassets.Whenalargeamountofcalculationverificationisrequired,zero-knowledgeproofandlayer2blockchaincanbeusedtoachieveassetsecurityindecentralizedtransactions,whilereducinggascostsandimprovingtransactionperformance.Thislaysthefoundationforthedatainteractionofecosystemapplicationsinthefuturemetaverse.Bityuanalreadysupportsstoragesharding,furtheroptimizingtheperformanceoftheblockchain.Inthefuture,Bityuanwillimplementtheshardingmechanismtechnologyandupgradetoahigh-performancedecentralizedpublicchainwith10,000TPS.TheImpossibleTriangleofthepublicchainsystemisadilemmaaboutachievingsecurity,decentralizationandefficiencyatthesametime.Inthefieldofpublicchaintechnology,shardingtechnologysolutionshavealwaysbeenthebreakthroughofpublicchains.Themostpopularshardingmechanismsinclude①ShardingiscompletedonETH2.0throughsidechains,butthehiddendangeristhefuturecross-chainproblem.②Polkadotachievesshardingthroughverifiers,andalltheparachaindataarestoredonthemainchain,sothedataonthemainchainwillbeverylarge,butthisapproachwillbringsimplicitytotheoverallarchitecture.TheBityuanblockchainadoptsthemainchainshardingmechanismwithamulti-chainarchitecture.ThisissimilartoPolkadot,butintermsofshardingtechnology,Bityuanrealizestheshardingfunctionofthemainchain,notthroughsidechainsorparachains.Bityuandesignscomplexitytothesystem,notfortheusers.BityuanreleasedthefirstshardingversioninJanuary2021andmadetheblockchaindataashard.Eachshardconsistsof100machines.Calculatingbasedonthe3000machines,theoverallthroughputcanbeincreasedby30times.Andthemorenodes,thelargerthestoragespace.InJune2021,thesecondshardingversionwasreleasedandrealizedthestorageshardingofstatusdata.Thereisalargeamountofblockchainstatusdatathatwillnolongerbeaccessedbycontracts,butmaybeinquiredbytheclientend.Consideringthis,thesedatacanbestoredinshardswithoutaffectingtheexecutionefficiencyofthecontract.Thethirdversionisthelatestshardingscheme,thatis,theentireblockchainisregardedasadistributeddatabase.Itisundertheenvironmentofdecentralizationandhighlatencyandwehaveperformedsomesimulationsofthesysteminalabenvironment.Withthegradualrealizationoftheshardingfunction,Bityuanwillachievethegoalofmorenodesandhigherperformance,andfinallyitwillachievedecentralizedhighperformanceandbreakthroughtheImpossibleTriangleinthepublicchainfield.Forexample,currentlyBityuan’sperformanceis300transactions/second,withtheshardingfunction,itmayreachthe performanceof10,000transactions/second.OntheBityuanplatform,payment,receipt,andstorageofmultiplecurrenciescanberealized,andmultiplefunctionssuchaswalletretrieval,one-clickissuanceofdigitalassets,RaspberryPimining,privatetransactions,DAOgovernance,anddelegatedconsensusvotingcanbesupported.BTYvalue:BityuanwasreleasedinDecember2013,andBTYisthenativecoinoftheBityuanpublicchain.Asthenecessarygasforalltransactionsintheecosystemapplications,BTY,likeEthereum,isdestroyedwhenconsumed.Consensusandmining:BityuanadoptstheinnovativeSafePOSconsensusmechanism(SPOS)andrealizesthePOSconsensusthroughtheticketvotingmechanism.Intheprocessofblockgeneration,VRFverifiablerandomfunctionlogicisintroducedtoensurethefairnessandjusticeofconsensusvoting.Intheuser'swalletaccount,every3,000BTYscangetaticket,whichcorrespondstoauniqueticketID.Eachblockwillonlybepackedwithoneticket,andtheprobabilityofeachticketisthesame.Theticketholdergetstheblockrewards.Bityuangeneratesablockevery5seconds,andeachblockgenerates8BTYs,ofwhich3BTYsareallocatedtotheBityuanFoundationand5BTYsareallocatedtotheminingminers.TokenInformationChinesename:比特元Englishname:BityuanAbbreviation:BTYCirculation:fullcirculation,about568millionBTYsConsensusmechanism:SPOS(SafePos)Blockspeed:5s/block,annualminingoutputis50millionReleasetime:2013-12Blocknetworktype:Chain33Officialwebsite:www.bityuan.com

Whitepaper:https://docs.bityuan.com/Opensourcecommunity:https://github.com/bityuan/bityuanBlockexplorer:https://mainnet.bityuan.com/indexExchange:LBANK（www.lbank.com）3.HistoryofBityuanDevelopmentInDecember2013,Bityuanwasofficiallyreleased,anditwasinitiallygeneratedbythepre-miningairdropandPOWconsensusmechanism.InMay2014,theBityuanmainnettransformedfromPOWtoPOSconsensusmechanism.InMay2018,theBityuanmainnetupgradedthePOSconsensusmechanismtoSPOS,andthefirstparachainarchitecturewasimplemented.InNovember2018,Bityuanwasopensource,opensourceaddress:https://github.com/bityuan/bityuan.InJanuary2019,theBityuanmainnetsupportedmulti-signaturesandaddedJSVMsupportfunction.InJune2019,theBityuanmainnetlaunchedtheparachainsupernodefunction.InSeptember2019,theBityuanmainnetlaunchedthedecentralizedgovernanceofthedevelopmentfund.InJuly2020,theDHT(DistributedHashTable)networkwasaddedtotheBityuanmainnet.InMarch2023,WalletssuchasMETAMASK、TP、IMTOKENallsupporttheBitYuannetwork,NetworkName:BitYuanMainnetNewRPCURLhttps://mainnet.bityuan.com/ethChainID:2999Symbol:BTYBlockchainExplorerURL:https//mainnet.bityuan.comInNovember2020,BityuanofficiallyjoinedtheBSNplatformandbecameoneofthepublicchainspreferredbydevelopers.InMay2021,theBityuanmainnetsupportedshardingnodes,realizedthelightweightmainnetandlaidthefoundationforexpansion.InJune2021,Bityuanrealizedtheaggregatesignaturefunctionoftheparachain.InMarch2022,cross-chainswithEVM-compatiblechains(BSC,HECO,ETH,etc.)wereadded,realizedprivacytransferswithzero-knowledgeproof,andoptimizedDAOgovernance.InJune2022,Bityuanrealizedthesmartaccountfunction,loweringthe

1.ABriefIntroductiontoBityuanBityuanisasimple,stable,efficient,secureandmulti-chainpublicchainnetwork.Ithastheadvantagesofdecentralization,simplicityandstabilityofBitcoin.ItcompletedparachaindeploymentearlierthanPolkadot,andiscompatiblewiththeEVM,whichcanbeusedasthelayer2blockchainofEthereum.Bityuanincorporateszero-knowledgeprooftechnologyandhasthewalletretrievalfunction,lettinguserstradetrustlesslyandsecurely.Moreover,italreadysupportsstoragesharding,andwillgraduallyimplementtheshardingmechanism,upgradingtoahigh-performancedecentralizedpublicchainwith10,000TPS.WiththeincreaseofBityuannodesandenhancedperformance,theblockchainwillbecomeastableandefficientcloudservice.2.ADetailedIntroductiontoBityuanThedistributedledgerrepresentedbyBitcoinandthetoken-inspiredtimestampsystemaregenerallyconsideredtobethepillarsoffuturefinance.Foranemergingtechnology,onlybycontinuoustechnologicalupgradingandoptimization,perfectingfunctionsandimprovingperformancecanitberecognizedbythemarketandwidelyapplied,thusleadingthechangeofanera.Sincethedevelopmentofblockchain,whetheritisEthereumorotherpublicchains,mostofthemarecarriedoutwiththisvision.Bityuanisasimple,stable,efficient,secureandmulti-chainpublicchainnetwork.Themaingoalistoachieveahigh-performancedecentralizedpublicchainandmaketheblockchainastableandefficientcloudservice.ThecoreofBityuanisasstableasBitcoin,withflexibleandefficientscalability,andiscompatiblewiththeEthereumapplicationecosystem.Itcanrealizetrustlessandsecuretransactions.Developerscanbuildapowerfullayer2blockchainecosystemandWeb3applicationsonBityuan.BityuanadoptstheChain33blockchainbottomarchitecture,whichhasamulti-chainarchitectureofmainchain+parachain.Bitcoinisasimpleand stabledecentralizedsystem,butitcannotdocomplexbusinessprocessing.Ethereumhasimplementedsmartcontracts,whichcanhandlecomplexbusiness,butitsperformanceislimitedtoonlydozensoftransactions.Theperformanceproblemofdecentralizationhasalwaysbeenadevelopmentbottleneckofthepublicchain.Bityuanhasamulti-chainarchitectureofthemainchainandparachain.Themainchainisresponsibleforconsensus,makingthemainchainassimpleandstableasBitcoin,withdecentralizedgovernance.Andtheparachainisresponsibleforthebusiness.EachparallelpublicchainhasbothdiversifiedandindependentblockchainecosystemconstructionandDAppdevelopment,whichcanalsorealizeefficientcross-chaintransactionsbetweenmultiplechains.ThiswayofseparatingconsensusfrombusinessenablestheBityuanpublicchaintohavethecoreofdecentralizedgovernancewhileimprovingperformance.Thisislikeahighwayexpandingintodozensoforevenhundredsofhighways,whilefuelchargesarestillcalculateduniformly,allowingcarstodriveunimpededly.Bityuansupportstheconsensusconfigurableandaggregatesignaturefunctionoftheparachain.Itsupportssubmissiontothemainchainaftertheconsensusontheparachainiscompleted.Duringthesubmissionprocess,thedatacanbecompressedbywayofaggregatesignature,whichcanreducetheburdenonthemainchainandenablethemainchaintosupportmoreparachains.Theparachainvotesareindependent,andeachparachainnodesendsanindependenttransaction,whichwillcauselargeamountsofresourcewaste.Thenewversioncanaggregatethesesignaturesintoonetransaction.Aftersuchprocessing,thenumberofparachainssupportedbythemainchaincanbeincreasedalot.Forexample,basedonthisfunction,theoriginal1,000parachainswillincreaseexponentially,andusersdonotneedtoworrythatsuchlow-costparachainswillbeexhaustedsoon.Bityuansupportstheaggregatesignaturefunctionofparachain,anditusessmartaccountstolowertheapplicationthreshold.Asweallknow,Bitcoinsupportsitsscriptsforsimpleprogramming,whileEthereumhaschangedthistechnicalrouteandadoptedanaccountmodel.Thesetwomodelsactuallyhavetheirownadvantages,andBityuanmakesthesetwomodelscompatible,makingaccountsbecomeprogrammablesmartaccounts.Thesmartaccountapplicationislightandflexible.Forexample,thesmart accountcanflexiblysetaretrievaladdress.Anotherimportantapplicationofthesmartaccountisthesocialwallet.ThesocialwalletofEthereumisacontractandcreatingthiscontractrequiresalotofgasfees.Transferringfromacontractneedstocallacontractfunction,butsomeEthereumDAppsystemsdonotsupportorarenotcompatiblewiththiskindofcontractwallet,whichaffectsthepromotionofsocialwallets.Thesmartaccounttechnologyweadoptcancreateasocialwalletofflineatzerocost.Userssettheparametersofthesocialwallet,andtheaccountisexactlythesameastheoriginalone.Userscanusethisaccounttodoliquiditymining,orgototheDEXtotrade,andthesecurityofaccountfundsisprotectedinrealtime.BityuanisfullycompatiblewithEthereum.Currently,Ethereumistheworld'slargestapplication-orientedpublicchain.Thesidechainandlayer2blockchainexpansiontechnologysolutionsbasedonEthereumhavebeenwidelyrecognizedbythemarket.Thehugedevelopercommunityandextremelyvigorousapplicationecosystem,havealsomademanypublicchainscompatiblewithit.BityuanalreadysupportstheaddressformatandsignaturemethodofEthereum.ItcanbetradedwithBityuannodesthroughtheweb3.jslibraries.ThesmartcontractisfullycompatiblewiththeEthereumVirtualMachine(EVM),andsupportsdeveloperstoseamlesslydeploysmartcontracts.Inthemeantime,theparachaincanbeusedasthelayer2chainofEthereum,whichisperfectlyintegratedintotheEthereumecosystem.BityuanincorporateszkSync'szero-knowledgeproofscheme.Whenwetradeonadecentralizedexchange,howcanweensurethesecurityofassetswhilereducinggascostsandimprovingtransactionperformance?Theadvantageofzero-knowledgeprooftechnologyisthatitcanprovethecorrectnessofapropositionwithoutrevealinganyotherinformation.Bityuanintegratesthezero-knowledgeproofschemeofzkSync,whichrealizesthesafecross-chainandassettransferbetweentheBityuanmainnetandotherL1publicchainassets.Whenalargeamountofcalculationverificationisrequired,zero-knowledgeproofandlayer2blockchaincanbeusedtoachieveassetsecurityindecentralizedtransactions,whilereducinggascostsandimprovingtransactionperformance.Thislaysthefoundationforthedatainteractionofecosystemapplicationsinthefuturemetaverse.Bityuanalreadysupportsstoragesharding,furtheroptimizingtheperformanceoftheblockchain.Inthefuture,Bityuanwillimplementtheshardingmechanismtechnologyandupgradetoahigh-performancedecentralizedpublicchainwith10,000TPS.TheImpossibleTriangleofthepublicchainsystemisadilemmaaboutachievingsecurity,decentralizationandefficiencyatthesametime.Inthefieldofpublicchaintechnology,shardingtechnologysolutionshavealwaysbeenthebreakthroughofpublicchains.Themostpopularshardingmechanismsinclude①ShardingiscompletedonETH2.0throughsidechains,butthehiddendangeristhefuturecross-chainproblem.②Polkadotachievesshardingthroughverifiers,andalltheparachaindataarestoredonthemainchain,sothedataonthemainchainwillbeverylarge,butthisapproachwillbringsimplicitytotheoverallarchitecture.TheBityuanblockchainadoptsthemainchainshardingmechanismwithamulti-chainarchitecture.ThisissimilartoPolkadot,butintermsofshardingtechnology,Bityuanrealizestheshardingfunctionofthemainchain,notthroughsidechainsorparachains.Bityuandesignscomplexitytothesystem,notfortheusers.BityuanreleasedthefirstshardingversioninJanuary2021andmadetheblockchaindataashard.Eachshardconsistsof100machines.Calculatingbasedonthe3000machines,theoverallthroughputcanbeincreasedby30times.Andthemorenodes,thelargerthestoragespace.InJune2021,thesecondshardingversionwasreleasedandrealizedthestorageshardingofstatusdata.Thereisalargeamountofblockchainstatusdatathatwillnolongerbeaccessedbycontracts,butmaybeinquiredbytheclientend.Consideringthis,thesedatacanbestoredinshardswithoutaffectingtheexecutionefficiencyofthecontract.Thethirdversionisthelatestshardingscheme,thatis,theentireblockchainisregardedasadistributeddatabase.Itisundertheenvironmentofdecentralizationandhighlatencyandwehaveperformedsomesimulationsofthesysteminalabenvironment.Withthegradualrealizationoftheshardingfunction,Bityuanwillachievethegoalofmorenodesandhigherperformance,andfinallyitwillachievedecentralizedhighperformanceandbreakthroughtheImpossibleTriangleinthepublicchainfield.Forexample,currentlyBityuan’sperformanceis300transactions/second,withtheshardingfunction,itmayreachthe performanceof10,000transactions/second.OntheBityuanplatform,payment,receipt,andstorageofmultiplecurrenciescanberealized,andmultiplefunctionssuchaswalletretrieval,one-clickissuanceofdigitalassets,RaspberryPimining,privatetransactions,DAOgovernance,anddelegatedconsensusvotingcanbesupported.BTYvalue:BityuanwasreleasedinDecember2013,andBTYisthenativecoinoftheBityuanpublicchain.Asthenecessarygasforalltransactionsintheecosystemapplications,BTY,likeEthereum,isdestroyedwhenconsumed.Consensusandmining:BityuanadoptstheinnovativeSafePOSconsensusmechanism(SPOS)andrealizesthePOSconsensusthroughtheticketvotingmechanism.Intheprocessofblockgeneration,VRFverifiablerandomfunctionlogicisintroducedtoensurethefairnessandjusticeofconsensusvoting.Intheuser'swalletaccount,every3,000BTYscangetaticket,whichcorrespondstoauniqueticketID.Eachblockwillonlybepackedwithoneticket,andtheprobabilityofeachticketisthesame.Theticketholdergetstheblockrewards.Bityuangeneratesablockevery5seconds,andeachblockgenerates8BTYs,ofwhich3BTYsareallocatedtotheBityuanFoundationand5BTYsareallocatedtotheminingminers.TokenInformationChinesename:比特元Englishname:BityuanAbbreviation:BTYCirculation:fullcirculation,about568millionBTYsConsensusmechanism:SPOS(SafePos)Blockspeed:5s/block,annualminingoutputis50millionReleasetime:2013-12Blocknetworktype:Chain33Officialwebsite:www.bityuan.com

Whitepaper:https://docs.bityuan.com/Opensourcecommunity:https://github.com/bityuan/bityuanBlockexplorer:https://mainnet.bityuan.com/indexExchange:LBANK（www.lbank.com）3.HistoryofBityuanDevelopmentInDecember2013,Bityuanwasofficiallyreleased,anditwasinitiallygeneratedbythepre-miningairdropandPOWconsensusmechanism.InMay2014,theBityuanmainnettransformedfromPOWtoPOSconsensusmechanism.InMay2018,theBityuanmainnetupgradedthePOSconsensusmechanismtoSPOS,andthefirstparachainarchitecturewasimplemented.InNovember2018,Bityuanwasopensource,opensourceaddress:https://github.com/bityuan/bityuan.InJanuary2019,theBityuanmainnetsupportedmulti-signaturesandaddedJSVMsupportfunction.InJune2019,theBityuanmainnetlaunchedtheparachainsupernodefunction.InSeptember2019,theBityuanmainnetlaunchedthedecentralizedgovernanceofthedevelopmentfund.InJuly2020,theDHT(DistributedHashTable)networkwasaddedtotheBityuanmainnet.InMarch2023,WalletssuchasMETAMASK、TP、IMTOKENallsupporttheBitYuannetwork,NetworkName:BitYuanMainnetNewRPCURLhttps://mainnet.bityuan.com/ethChainID:2999Symbol:BTYBlockchainExplorerURL:https//mainnet.bityuan.comInNovember2020,BityuanofficiallyjoinedtheBSNplatformandbecameoneofthepublicchainspreferredbydevelopers.InMay2021,theBityuanmainnetsupportedshardingnodes,realizedthelightweightmainnetandlaidthefoundationforexpansion.InJune2021,Bityuanrealizedtheaggregatesignaturefunctionoftheparachain.InMarch2022,cross-chainswithEVM-compatiblechains(BSC,HECO,ETH,etc.)wereadded,realizedprivacytransferswithzero-knowledgeproof,andoptimizedDAOgovernance.InJune2022,Bityuanrealizedthesmartaccountfunction,loweringthe