DPWK:Cessation of all Point Card Functionalities for Singapore-based Accounts_OBI

DearValuedUsers,

FollowingHuobiGlobal’s(“Huobi”)announcementofthe?retirementofSingapore-basedusers,HuobihassinceceasedthereceivingfunctionalityofpointcardsheldbySingapore-basedusers.?Furthertothis,Huobiwillbeceasingallfunctionalitiesofthesepointcardsat?08:00(UTC)onApr14,2022andrepurchasingthemfromusers.HuobiwilltakeascreenshotofallSingapore-basedusers’pointcardsat?16:00(UTC)onApr14,2022?(the“Screenshot”)andbasedontheScreenshot,userswillreceiveUSDTfortherepurchaseoftheirpointcardsintheirparentexchangeaccount.Detailsareasfollow:

BitDigital与MegaMatrix成立合资公司，以开发非托管质押工具:3月8日消息，比特币矿企BitDigital,Inc.宣布与MegaMatrixCorp成立合资公司，为用户提供非托管质押工具，合资公司将设立在新加坡，根据协议，BitDigital将拥有合资公司40%的股权。据悉，MegaMatrix是一家位于加利福尼亚州的上市公司，专注于以太坊质押及其区块链基础设施。[2023/3/8 12:48:48]

ForpointcardsthatwerepurchaseddirectlyfromHuobi,HuobiwillverifythepurchaserecordsandrepurchasethepointcardsaccordingtotheoriginalpurchasepricesinUSDT.Forpointcardsthatusersreceivedfromotheraccounts,Huobiwillrepurchasethepointcardsatmarketprice(witha30%discount)inUSDT.Fortime-limitedpointcards(whichcannotbetransferred)thatuserspurchaseddirectlyfromHuobi,HuobiwillverifythepurchaserecordsandrepurchasethepointcardsaccordingtotheoriginalpurchasepriceinUSDT.Fortime-limitedpointcards(whichcannotbetransferred)thatusersearnedfromHuobiactivitiesandcampaigns,Huobiwillrepurchasethepointcardsatmarketprice(witha30%discount)inUSDT.?

27,000,000 XRP从UpBit转移到未知钱包:金色财经报道，据Whale Alert监测数据显示，北京时间2023年2月23日17:19，27,000,000 XRP从UpBit转移到未知钱包，价值约10,647,629美元。[2023/2/23 12:25:06]

Whendeterminingtheoriginalpurchasepriceofthepointcards,Huobideemsthatpointcardswiththelower/lowestoriginalpurchasepricewereusedfirst.

Example:

UserApurchased10pointcardsat1USDTeachonJan2022.UserAthenpurchased10pointcardsat1.5USDTeachonFeb2022.At16:00(UTC)onApr14,2022,UserAhad10pointcardsremaining.HuobiwilldeemtheoriginalpurchasepriceofUserA’sremaining10pointcardstobe1.5USDTeach.

PlusBit钱包已添加Dash:Dash团队近日宣布，Dash已集成在PlusBit钱包中。（Cryptoticker）[2020/5/31]

Usersfromotherunrestrictedcountriesorregionswillnotbeaffected.

Pleasehandleyourdigitalassetswithcareandkeepthemsafe.KindlynotethatanyinformationreceivedviaphonecallsortextmessagestoprovideguidanceonhowtowithdrawyourdigitalassetsfromHuobiarenotgenuineandarelikelytobeascam.Donotclickonanylinkscontainedinanyunfamiliartextmessagesoremails,anddonotprovideyouraccountinformation,SMSverificationcodesandotherimportantinformationtothirdparties.

分析：Nomad攻击者利用合约process函数进行提取:金色财经消息，北京时间8月2日中午，成都链安链必应-区块链安全态势感知平台舆情监测显示，跨链通讯协议Nomad遭遇攻击，成都链安安全团队现将解析结果分享如下，通过被攻击合约（0x88a69b4e698a4b090df6cf5bd7b2d47325ad30a3）的转账交易看到，许多地址都进行了攻击。通过找到一笔相关交易，可以到看到攻击者利用了（0xb36f6479b1aa5582ce862bfb6eb94591e1b0e0b977188c2e8ca85699efcd6183）合约中的process函数进行提取。

在process函数中，可以看到合约对_messageHash进行了判断,而输入的messages[_messageHash]为0x000000....时，相当于任何未使用的hash，都可以判断通过。然后跟进acceptableRoot函数，因为_root设置为零（x000000....）,而confirmAt[_root]等于1，导致判断恒成立，攻击者就能提取资金。成都链安链必追平台将对被盗资金进行实时监控。[2022/8/2 2:53:05]

Thankyouforyoursupport!

元宇宙成CES2022主角VR/AR产业或迎快速发展期:1月10日消息，在1月8日闭幕的CES2022（国际消费电子展）上，元宇宙成为主角，多家厂商发布了相关新品。英伟达宣布，旗下元宇宙创作工具Omniverse将正式向创作者提供服务；现代汽车宣布与3D内容平台Unity合作构建元宇宙数字虚拟工厂。机构分析，作为呈现元宇宙场景的重要载体，VR/AR产业将首先迎来快速发展期。（鞭牛士）[2022/1/10 8:37:17]

HuobiGlobal

April1,2022

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HuobiGlobalreservestherightinitssolediscretiontoamendorchangeorcancelthisannouncementatanytimeandforanyreasonswithoutpriornotice.TheaboveisforinformationpurposesonlyandHuobiGlobalmakesnorecommendationsorguaranteesinrespectofanydigitalasset,product,orpromotiononHuobiGlobal.Pricesofdigitalassetsarehighlyvolatileandtradingdigitalassetsinvolvesrisk.Pleasereadour?RiskReminder?texthere.

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