THE:Rewards Hub Event Rules_PWAR币

I.Tasks:

1.Beginner'sTasks

StartyourvirtualassetjourneywithHuobiGlobalbycompletingtheBeginner'sTasks.Getawesomebonusesaftercompletingyourfirsttrade!

RegistrationTask:Claim1USDTaftersigninguponHuobiGlobal.DepositTask:Obtaina5USDTcashbackvoucherafterdepositinganyamounttoyourHuobiGlobalaccount.TradingTasks:Getawesomebonusesbycompletingyourfirstspotorfuturestrade.2.ChallengeTasks

FamiliarizeyourselfwithHuobiGlobalquicklybycompletingtheChallengeTasks.Tradeeverydaytoearntokensdaily!

Today'sChallenges:Getgreatrewardsbycompletingthechallengesinthissection.ThetaskswillrefreshautomaticallyatUTC0:00everyday.Limited-timeChallenges:Winamazingbonusesbydoingthetasksinthissection.Thetasksarevalidforalimitedtime,asshownbythepage'scountdowntimer.3.Check-inTask

Crown Sterling任命Andrew Lusk为总裁兼首席法务官:金色财经报道，数据技术公司Crown Sterling LLC宣布任命Andrew Lusk为总裁兼首席法务官。Crown Sterling Limited LLC表示，Lusk先生作为值得信赖的法律和风险顾问，在金融、公司事务和房地产领域拥有超过 10 年的经验。作为数字货币和区块链技术的早期倡导者和投资者，Lusk先生将为团队带来不断发展的格局的广泛理解、显着的法律敏锐度、创新能力和领导能力。[2023/6/6 21:18:00]

Getbadgesbycheckingineveryday.Thebadgesarevalidforacertainperiodandwillbenullifieduponexpiry.

II.Rewards:

Alltokenrewardsarecreditedto"MyRewards"andcanbewithdrawnto"Assets"oncetheirvaluereaches20USDT.Youcanfindyourrewards(e.gcoupons,NFTs,badges,andcrystals)andtheirdescriptionsatMyRewards.Mostrewardshavealimitedvalidityperiod.III.BadgeMall:

Arbitrum聘请Andrew Saunders担任首位首席营销官:金色财经报道，Arbitrum 已聘请亚马逊全球品牌营销团队前负责人Andrew Saunders担任其第一任首席营销官。在 Offchain Labs，Saunders 将领导和监督全球所有的营销和传播工作。[2022/8/16 12:29:18]

1.GetbadgesbycheckinginorcompletingtasksatRewardsHub.ThebadgescanbeusedtotakepartintheluckydraworbeexchangedforprizesatBadgeMall.PrizesobtainedfromBadgeMallarecreditedtoMyRewards.YoucanviewthedetailsofyourprizesatMyRewards.IV.Terms&Conditions:

HuobiGlobalhastherighttodisqualifyparticipantsifanyfraudulentoranomalousactivityisdetected.HuobiGlobalreservestherightoffinalinterpretationfortheformatandtherewardsofthisevent.V.Notes:

比特币自托管公司Casa完成2100万美元融资，Acrew Capital领投:5月10日消息，比特币自托管公司Casa完成2100万美元融资，Acrew Capital领投，Positive Sum Ventures、Naval Ravikant等参投。同时，Casa推出Casa API，将帮助Swan Bitcoin和Choice IRA等企业在批准贷款或进行退休投资时验证其客户的财务身份。Casa将使用该笔资金为签名钱包产品添加金融身份功能。Casa于2021年2月完成400万美元种子轮融资。（CoinDesk）[2022/5/10 3:04:45]

DepositTask:SimplydepositanyamounttoyourHuobiGlobalaccountandyouwillreceivethecorrespondingreward.Depositsviainternaltransfers(e.g.fromyourfiataccounttospotaccount)arenotcountedtowardsthetask'sprogress.Spottradingtasks:Youwillgetcorrespondingrewardsbyachievingspecifiedtradingvolumes.Tradingvolumeinvolvingtheuseofpointcardstodeductfeesisexcludedfromthevolumecalculation.Tradingvolumeinvolvingtheuseofcashbackvoucherstodeductfeesisexcluded.Tradeswithzerofeesareexcluded.Tradingvolumesfrommakerswithnegativefeesareexcluded.Futurestradingtasks:Youwillgetcorrespondingrewardsbycompletingspecifiedtradingvolumes.Tradingvolumeinvolvingtheuseoffuturestrialbonusisexcludedfromthevolumecalculation.FAQ:

慢雾：Cover协议被黑问题出在rewardWriteoff具体计算参数变化导致差值:2020年12月29日，慢雾安全团队对整个Cover协议被攻击流程进行了简要分析。

1.在Cover协议的Blacksmith合约中，用户可以通过deposit函数抵押BPT代币；

2.攻击者在第一次进行deposit-withdraw后将通过updatePool函数来更新池子，并使用accRewardsPerToken来记录累计奖励；

3.之后将通过_claimCoverRewards函数来分配奖励并使用rewardWriteoff参数进行记录；

4.在攻击者第一次withdraw后还留有一小部分的BPT进行抵押；

5.此时攻击者将第二次进行deposit，并通过claimRewards提取奖励；

6.问题出在rewardWriteoff的具体计算，在攻击者第二次进行deposit-claimRewards时取的Pool值定义为memory，此时memory中获取的Pool是攻击者第一次withdraw进行updatePool时更新的值；

7.由于memory中获取的Pool值是旧的，其对应记录的accRewardsPerToken也是旧的会赋值到miner；

8.之后再进行新的一次updatePool时，由于攻击者在第一次进行withdraw后池子中的lpTotal已经变小，所以最后获得的accRewardsPerToken将变大；

9.此时攻击者被赋值的accRewardsPerToken是旧的是一个较小值，在进行rewardWriteoff计算时获得的值也将偏小，但攻击者在进行claimRewards时用的却是池子更新后的accRewardsPerToken值；

10.因此在进行具体奖励计算时由于这个新旧参数之前差值，会导致计算出一个偏大的数值；

11.所以最后在根据计算结果给攻击者铸造奖励时就会额外铸造出更多的COVER代币，导致COVER代币增发。具体accRewardsPerToken参数差值变化如图所示。[2020/12/29 15:58:07]

Q:Whatisacashbackvoucher?

Bitcoin Core开发者Andrew Chow正在开发描述符钱包:Bitcoin Core开发者Andrew Chow正在开发基于Pieter Wuille脚本描述符的描述符钱包，以支持如迷你型脚本等复杂脚本。据悉，该钱包是将硬件钱包引入Bitcoin Core的长期项目的一部分，该项目将允许用户在使用钱包时，自己控制私钥。（The Block）[2020/4/15]

A:Cashbackvoucherscanbeusedinspottrading.Afteracashbackvoucherisused,thetradingfeewillbereturnedtoyourspotaccountby23:59(UTC)thenextdayintheformofaUSDTcashback(convertedtoUSDTatthereal-timeexchangerateoftheorderthatusesthevoucher).

Q:Whatisacrystal?HowcanIgetcrystals?

A:CrystalscanbeusedtoparticipateinactivitiesonHuobiGlobalsuchasPrimeBoxandNewListing.Thenumberofyourcrystalsdeterminesyoureligibilityforevents.Youcangetcrystalsbymeetingthespecifictradingvolumerequirement.

Q:HowdoIclaimmyrewardsfromRewardsHub?

A:Therewards(e.g.badges,crystals,coupons,andvirtualassets)obtainedfromRewardsHubarecreditedtoMyRewards.YoucanviewthedetailsofyourrewardsatMyRewards.

Q:HowdoIwithdrawmyrewards?

A:Whentherewardsreachavirtualassetvalueofatleast20USDT,youcanwithdrawthemto"Assets".Pleasenotethatthevalueofvirtualassetsisdependentonmarketconditions.

TradeonthegowithHuobiGlobalApp(iOS/Android)

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HuobiGlobalreservestherightinitssolediscretiontoamendorchangeorcancelthisannouncementatanytimeandforanyreasonswithoutpriornotice.TheaboveisforinformationpurposesonlyandHuobiGlobalmakesnorecommendationsorguaranteesinrespectofanyvirtualasset,product,orpromotiononHuobiGlobal.Pricesofvirtualassetsarehighlyvolatileandtradingvirtualassetsinvolvesrisk.PleasereadourRiskRemindertexthere.

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