Conas agus Cá háit a Cheannach Internet Computer (IOU) ( ICP ) – Treoir Mhionsonraithe

Cad é ICP ?

What Is the Internet Computer (ICP)?

The Internet Computer, developed by the DFINITY Foundation, is a cryptographic platform and a protocol aiming to create a public decentralized cloud computing resource to become the next step in the evolution of the internet. It wants to shatter the dominance of centralized cloud service providers and redesign the internet to become distributed and secure while at the same time reducing IT maintenance and deployment costs tenfold. The protocol claims to be optimised for scaling, achieving block times of a few seconds and transaction finality after only two confirmations.

The project has been in development since 2015, attracting a notable interest from the crypto community. The first presale occurred in summer 2017 and a total investment exceeded $102 million. 50,000 backers received ICP tokens in an airdrop in 2018. DFINITY launched the alpha mainnet of its “Internet Computer” on Dec. 18, 2020. The mainnet beta version public launch is announced for Mar. 30, 2021, with the release happening somewhere later in 2021.

Who Are the Founders of the Internet Computer?

The Internet Computer is founded by a team of notable cryptography scientists and business developers, by Q1 2021 consisting of 180 members.

Dominic Williams is the founder, president and chief scientist of the DFINITY Foundation and Internet Computer project. Previously, he was a CEO a venture incubator for crypto projects called String Labs and assisted crypto development in Mirror Labs, was a founder and a CEO of a MMO game for teenagers called Fight My Monster and prior to that ran several SAAS companies: System7, Airdocs and Smartdrivez. He graduated King's College London as a bachelor in computer science.

Jan Camenisch is the vice president of research and cryptography in DFINITY. He has published over 130 widely cited papers in the areas of privacy and cryptography and holds over 140 patents. He is also serving as a technical governance board member at Sovrin Foundation. Previously, he spent 19 years as a principal research staff member at IBM. He is a fellow of IEEE and IACR and has a PhD in computer science and cryptography from ETH Zurich. Camenisch is a co-inventor of Identity Mixer cryptographic protocol and holds 2010 ACM SIGSAC outstanding innovation award and the 2013 IEEE computer society technical achievement award.

Gian Bochsler is a DFINITY council member, an experienced entrepreneur who founded half a dozen companies, including such recent blockchain ventures as Bity, Archery Fund and EtherCapital.com.

It is notable that among the early backers of DFINITY were Andreesen Horowitz and Polychain Capital, who were investors in a $61 million funding round in February 2018.

What Makes Internet Computer Unique?

The Internet Computer Protocol is a decentralized network design whose protocols generate a reliable "virtual blockchain computer" running on top of a peer-to-peer network. It is aiming to revolutionize the business of cloud services providers, and sees future clients in software developers and data centers, reducing the marginal costs and facilitating software deployment for the former and creating a market and a revenue stream for the latter.

One of the novel technologies of the protocol is software canisters, a smart contract-based equivalent of containers. Like a container, a canister contains compiled software and its dependencies, but in addition it records information about the current and preceding software state and user interactions.

The Internet Computer Protocol token (ICP) is a governance token that will be used as a means of payment and managing network. It can be locked into “neurons” for staking and voting power, or can be converted into “cycles” to become a means of payment for computational and network resources, similar to Ethereum’s gas or AWS credits. Cycles’ value is constant and is tethered to the Swiss Franc (a fiat currency). Since one always needs to burn cycles to run software on the Internet Computer and the only way to buy cycles is from ICP, it will always be under some deflationary pressure. Users are allowed staking their tokens into “neurons” for a predetermined period, a minimum of six months, maximum of eight years, the longer the period - the higher the gains. Staking tokens will allow them to participate in a distributed governance mechanism called Network Nervous System (NNS), sharing principles of liquid democracy.

Related Pages:

Do you know about Celer Network, one of the first scaling platforms that enabled support of Internet Computer back in 2018?

Having doubts about proof-of-stake? Read our guide to Ethereum 2.0.

Ready to learn more? Visit our learning hub.

Don't wanna miss the hottest new crypto launches? Check out our blog for the latest crypto news and insights.

How Many Internet Computer Tokens (ICP) Are There in Circulation?

There will be 469,213,710 ICP tokens, once they enter the circulation. Currently, the undisclosed majority of tokens is in hands of the DFINITY foundation, a not-for-profit organization based in Zurich, Switzerland. At network launch the distribution is planned to be as follows:


52.93% — foundation endowment, team and partnership tokens, 9.5% — early contributor tokens, and 24.72% tokens in the hands of seed fundraise contributors, 6.85% — strategic fundraise contributors with a three-year vesting period, 4.75% — presale fundraise contributors and 1.25% — airdrop for 50 000 community members.

ICP token (fka DFN) is not yet in open circulation as of Mar. 2021. It’s evaluation on CMC currently takes the form of an IOU.

How Is the Internet Computer Network Secured?

Given the promise of enormous scalability and speed, a crypto enthusiast would be especially concerned about security in the Internet Computer network. In short, it is a variation of a proof-of-stake consensus mechanism without a full Byzantine agreement, optimized for speed and short block times. The Internet Computer protocol consensus consists of four layers:

  1. Identity layer, which provides a registry of all clients. Unlike typical proof-of-work protocols, it uses permanent identities, so in case of misbehaviour a malevolent client risks losing not only one block reward, but his entire deposit. \
  2. Random Beacon layer, which provides the source of randomness via a unique verifiable random function (VRF) for all higher layers including applications (smart contracts). It is the cornerstone of the Internet Computer security. \
  3. Blockchain layer: builds a blockchain from validated transactions via the Probabilistic Slot Protocol (PSP) driven by the random beacon. Each cycle it ranks clients for the height of their chain, assigning corresponding block weights, so the consensus gets resolved in favor of the client with the highest accumulated block weight, just as proof-of-work consensus is based on highest accumulated amount of work. \
  4. Notarization layer, which approves blocks for publication. It works basically as a timestamp. Once the highest-ranked client was chosen and approved for publication two times plus a certain delay time passes, it is added to the blockchain. Unlike traditional PoS, it does not guarantee a full Byzantine agreement at every block. It is not a full consensus mechanism, but — as the authors call it — an optimistic consensus.

Another notable detail is delegation, achieved through Threshold Relay. To ensure infinite scalability, Internet Computer consensus is resolved by a small subset of randomly chosen miners, called a committee. After the committee does the work and adds a block to the blockchain, the duty relays to the next randomly preassembled committee.

In order to understand the sacrifices that were made one may try to view it less as a traditional blockchain for store of value and asset transfer, but more like TCP/IP.

Where Can You Buy the Internet Computer token (ICP)?

The ICP utility token is not yet traded per se before its public release, but given the high expectations crypto community has about it, there is some trading here and there in the form of IOU.

The top exchanges for trading in the ICP (IOU) are currently GX.com, MXC.COM and TOKOK. You can find others listed on our crypto exchanges page.

New to crypto and want to know how to buy Bitcoin (BTC) or any other token? Find out the details here.

Bhí ICP intrádála den chéad uair ar 10th Jul, 2020 . Tá soláthar iomlán de anaithnid aige. Go dtí seo tá caipitliú margaidh de USD ${{marketCap} } {{symbol}} .Is é ICP an praghas reatha ná ${{price} } agus tá sé rangaithe {{rank}} ar Coinmarketcapagus d'ardaigh sé 50.24 faoin gcéad le déanaí tráth scríofa na tuarascála seo.

Tá ICP liostaithe ar roinnt malartuithe cripte, murab ionann agus príomh-airgeadraí eile, ní féidir é a cheannach go díreach le hairgead fiats. Mar sin féin, Is féidir leat an bonn seo a cheannach go héasca go fóill trí Ethereum a cheannach ar dtús ó aon mhalartuithe fiat-go-crypto agus ansin aistriú chuig an malartú a thairgeann an mona seo a thrádáil, san alt treorach seo déanfaimid tú ag siúl go mion ar na céimeanna chun ICP a cheannach. .

Céim 1: Cláraigh ar Malartú Fiat-go-Crypto

Beidh ort ceann de na mór-cryptocurrencies a cheannach ar dtús, sa chás seo, Ethereum ( ETH ). San Airteagal seo beimid ag siúl leat go mion ar dhá cheann de na malartuithe fiat-go-crypto is coitianta a úsáidtear, Uphold.com agus Coinbase. Tá a mbeartais táillí féin ag an dá mhalartú agus gnéithe eile a rachaimid go mion. Moltar duit triail a bhaint as an dá cheann acu agus an ceann is fearr a oireann duit a dhéanamh amach.

uphold

Oiriúnach do thrádálaithe SAM

Roghnaigh Malartú Fiat-go-Crypto le haghaidh sonraí:

ICP

Agus é ar cheann de na malartuithe fiat-go-crypto is mó tóir agus áisiúil, tá na buntáistí seo a leanas ag UpHold:

  • Éasca a cheannach agus a thrádáil i measc sócmhainní il, níos mó ná 50 agus fós ag cur
  • Faoi láthair níos mó ná 7M úsáideoir ar fud an domhain
  • Is féidir leat iarratas a dhéanamh ar chárta Dochair UpHold áit ar féidir leat na sócmhainní cripte a chaitheamh ar do chuntas cosúil le gnáthchárta dochair! (SAM amháin ach beidh sé sa RA níos déanaí)
  • Aip soghluaiste atá éasca le húsáid inar féidir leat ciste a tharraingt siar go banc nó aon mhalartuithe altcoin eile go héasca
  • Uimh táillí folaithe agus aon táillí cuntais eile
  • Tá orduithe ceannaigh/díola teoranta d'úsáideoirí níos forbartha
  • Is féidir leat taiscí athfhillteacha a shocrú go héasca le haghaidh Meánú Costas Dollar (DCA) má tá sé ar intinn agat cripte a shealbhú go fadtéarmach
  • Tá USDT, atá ar cheann de na stáblaí is mó tóir le tacaíocht USD (go bunúsach cripte a bhfuil fíor-airgead fiat tacaíocht aige ionas nach bhfuil siad chomh luaineach agus is féidir déileáil leo mar an t-airgead fiat a bhfuil sé pegged leis) ar fáil, tá sé seo níos áisiúla más rud é níl ach péirí trádála USDT ag an altcoin atá beartaithe agat ar an malartán altcoin mar sin ní gá duit dul trí chomhshó airgeadra eile agus tú ag ceannach an altcoin.
Taispeáin Sonraí Céimeanna ▾
ICP

Clóscríobh do ríomhphost agus cliceáil 'Ar Aghaidh'. Cinntigh go dtugann tú d’ainm fíor mar beidh sé ag teastáil ó UpHold le haghaidh fíorú cuntais agus aitheantais. Roghnaigh pasfhocal láidir ionas nach mbeidh do chuntas i mbaol hackers.

ICP

Gheobhaidh tú ríomhphost deimhnithe. Oscail é agus cliceáil ar an nasc laistigh. Beidh ort ansin uimhir fón póca bhailí a sholáthar chun fíordheimhniú dhá fhachtóir (2FA) a shocrú, is ciseal breise é do shlándáil do chuntais agus moltar go mór duit an ghné seo a chur ar siúl.

ICP

Lean an chéad chéim eile chun d'fhíorú aitheantais a chríochnú. Tá na céimeanna seo beagán scanrúil go háirithe agus tú ag fanacht le sócmhainn a cheannach ach díreach cosúil le haon institiúid airgeadais eile, tá UpHold rialaithe i bhformhór na dtíortha mar SAM, an RA agus an AE. Is féidir leat é seo a ghlacadh mar chomhbhabhtáil le húsáid ardán iontaofa chun do chéad cheannach criptithe a dhéanamh. Is é an dea-scéal ná go bhfuil an próiseas ar a dtugtar Know-Your-Customers (KYC) go hiomlán uathoibrithe anois agus níor cheart go dtógfadh sé níos mó ná 15 nóiméad é a chríochnú.

Céim 2: Ceannaigh ETH le airgead fiat

ICP

Nuair a chríochnaigh tú an próiseas KYC. Iarrfar ort modh íocaíochta a chur leis. Anseo is féidir leat cárta creidmheasa/dochair a sholáthar nó aistriú bainc a úsáid. D’fhéadfaí táillí níos airde a ghearradh ort ag brath ar do chuideachta cárta creidmheasa agus na praghsanna luaineacha agus cártaí á n-úsáid agat ach déanfaidh tú ceannach láithreach freisin. Cé go mbeidh aistriú bainc níos saoire ach níos moille, ag brath ar an tír chónaithe, tairgfidh roinnt tíortha éarlais airgid láithreach le táillí ísle.

ICP

Anois go bhfuil tú socraithe go léir, ar an scáileán 'Transact' faoin réimse 'Ó', roghnaigh do airgeadra fiat, agus ansin ar an réimse 'Chun' roghnaigh Ethereum , cliceáil réamhamharc chun athbhreithniú a dhéanamh ar d'idirbheart agus cliceáil ar dheimhniú má tá cuma mhaith ar gach rud. .. agus comhghairdeas! Tá do chéad cheannach criptithe díreach déanta agat.

Céim 3: Aistriú ETH chuig Malartú Altcoin

ICP

Ach níl muid déanta fós, ós rud é gur altcoin é ICP ní mór dúinn ár ETH a aistriú chuig malartán ar féidir ICP a thrádáil, anseo úsáidfimid MXC mar ár malartú. Is malartú coitianta é MXC chun altcoins a thrádáil agus tá líon mór péirí altcoins intrádála aige. Bain úsáid as an nasc thíos chun do chuntas nua a chlárú.

Arna sheoladh i mí Aibreáin 2018, is malartú láraithe cryptocurrency é MXC atá cláraithe sna Séiséil. Tacaíonn sé le CNY, VND, USD, GBP, EUR, taisce AUD, agus tarraingt siar CNY, VND. Chomh fada agus is féidir linn a insint, féadfaidh infheisteoirí SAM trádáil a dhéanamh ag MXC. Tairgeann sé trádáil i 242 boinn agus tá 374 péirí trádála aige. Níl siad faoi láthair. 7 i dtéarmaí na n-cryptocurrencies is mó a fhaigheann tacaíocht i gcomparáid le malartuithe trádála spot eile de réir Coingecko. Níos tábhachtaí fós, tá MXC AR BARR an tonn Airgeadais Díláraithe (DeFi) agus ag cur tacaíocht i gcónaí le haghaidh boinn DeFi.

ICP

Tar éis duit dul trí phróiseas cosúil leis mar a rinneamar cheana le Seas suas , cuirfear in iúl duit fíordheimhniú 2FA a shocrú freisin, é a chríochnú mar go gcuireann sé slándáil bhreise le do chuntas.

Céim 4: Taisce ETH a mhalartú

ICP

Ag brath ar bheartais an mhalartaithe b'fhéidir go mbeadh ort dul trí phróiseas KYC eile, ba cheart go dtógfadh sé seo ó 30 nóiméad go dtí cúpla lá ar a mhéad. Cé gur chóir go mbeadh an próiseas simplí agus éasca le leanúint. Nuair a bheidh sé críochnaithe agat ba cheart go mbeadh rochtain iomlán agat ar do sparán malairte.

ICP

Más é seo do chéad uair ag déanamh éarlais cripte, d'fhéadfadh go mbeadh cuma beagán scanrúil ar an scáileán anseo. Ach ná bíodh imní ort, go bunúsach tá sé níos simplí ná aistriú bainc a dhéanamh. Ag an mbosca ar dheis, feicfidh tú teaghrán uimhreacha randamacha ag rá ' ETH seoladh', is seoladh poiblí uathúil é seo de do sparán ETH ag MXC agus is féidir leat ETH a fháil tríd an seoladh seo a thabhairt don duine a sheolann na cistí chugat . Ós rud é Seas suas bhfuil muid anois ag aistriú ár ETH a ceannaíodh roimhe seo chuig an sparán seo, cliceáil ar 'Cóipeáil Seoladh' nó cliceáil ar dheis ar an seoladh iomlán agus cliceáil cóip chun an seoladh seo a thabhairt chuig do ghearrthaisce.

Anois ceann ar ais go UpHold, téigh go dtí an scáileán Transact agus cliceáil ar ETH ar an réimse "Ó", roghnaigh an méid is mian leat a sheoladh agus ar an réimse "Chun" roghnaigh ETH faoi "Crypto Líonra", ansin cliceáil "Réamhamharc a tharraingt siar" .

Ar an gcéad scáileán eile, greamaigh an seoladh sparán ó do ghearrthaisce, le haghaidh breithniú slándála ba cheart duit seiceáil i gcónaí an bhfuil an dá sheoladh ag teacht le chéile. Is eol go bhfuil malware ríomhaire áirithe ann a athródh an t-ábhar i do ghearrthaisce go seoladh sparán eile agus go bunúsach beidh tú ag seoladh cistí chuig duine eile.

Tar éis athbhreithniú a dhéanamh, cliceáil 'Deimhnigh' chun dul ar aghaidh, ba cheart duit ríomhphost deimhnithe a fháil láithreach, cliceáil ar an nasc deimhnithe sa ríomhphost agus tá do bhoinn ar an mbealach chuig MXC !

ICP

Anois, téigh ar ais go dtí MXC agus ceann chuig do sparán malairte, ná bíodh imní ort mura bhfuil d'éarlais feicthe agat anseo. Is dócha go bhfuil sé fós á fhíorú sa líonra blockchain agus ba cheart go dtógfadh sé cúpla nóiméad chun do bhoinn a bhaint amach. Ag brath ar riocht tráchta líonra an líonra Ethereum , le linn amanna gnóthacha d'fhéadfadh sé go dtógfaidh sé níos faide fós.

Ba cheart duit fógra deimhnithe a fháil ó MXC nuair a bheidh do ETH tagtha. Agus tá tú réidh faoi dheireadh le ICP a cheannach!

Céim 5: Trádáil ICP

ICP

Téigh ar ais go MXC , ansin téigh go dtí 'Exchange'. Borradh! Cén radharc! D’fhéadfadh na figiúirí atá de shíor ag flickáil a bheith rud beag scanrúil, ach lig do scíth, déanaimis ár gcinnirí a thabhairt timpeall air seo.

ICP

Sa cholún ar dheis tá barra cuardaigh, déan cinnte anois go bhfuil " ETH " roghnaithe agus muid ag trádáil ETH in aghaidh altcoin pair. Cliceáil air agus clóscríobh isteach " ICP ", ba cheart duit ICP / ETH a fheiceáil, roghnaigh an péire sin agus ba cheart duit praghaschairt ICP / ETH a fheiceáil i lár an leathanaigh.

Anseo thíos tá bosca le cnaipe glas a deir "Ceannaigh ICP ", taobh istigh den bhosca, roghnaigh an cluaisín "Margadh" anseo mar gurb é sin an cineál orduithe ceannaigh is simplí. Is féidir leat do mhéid a chlóscríobh nó a roghnú cén chuid de do éarlais ETH ar mhaith leat a chaitheamh ar cheannach, trí chliceáil ar na cnaipí céatadáin. Nuair a bheidh gach rud deimhnithe agat, cliceáil "Ceannaigh ICP ". Voila! Tá ICP ceannaithe agat ar deireadh!

An Chéim Dheiridh: Stóráil ICP go slán i sparán crua-earraí

Ledger Nano S

Ledger Nano S

  • Easy to set up and friendly interface
  • Can be used on desktops and laptops
  • Lightweight and Portable
  • Support most blockchains and wide range of (ERC-20/BEP-20) tokens
  • Multiple languages available
  • Built by a well-established company found in 2014 with great chip security
  • Affordable price
Ledger Nano X

Ledger Nano X

  • More powerful secure element chip (ST33) than Ledger Nano S
  • Can be used on desktop or laptop, or even smartphone and tablet through Bluetooth integration
  • Lightweight and Portable with built-in rechargeable battery
  • Larger screen
  • More storage space than Ledger Nano S
  • Support most blockchains and wide range of (ERC-20/BEP-20) tokens
  • Multiple languages available
  • Built by a well-established company found in 2014 with great chip security
  • Affordable price

Má tá sé ar intinn agat do 0 a choinneáil ("hodl" mar a déarfadh cuid, go bunúsach "a shealbhú" mílitrithe a bhfuil tóir air le himeacht ama) do ICP ar feadh i bhfad, b'fhéidir gur mhaith leat bealaí a iniúchadh chun é a choinneáil sábháilte, cé go bhfuil Binance ar cheann de ba é an malartú cryptocurrency is sábháilte a bhí ann tarlaithe agus cailleadh cistí. Mar gheall ar nádúr na sparán i malartuithe, beidh siad i gcónaí ar líne ("Hot Wallets" mar a thugaimid orthu), agus mar sin nochtfar gnéithe áirithe de leochaileachtaí. Is é an bealach is sábháilte chun do bhoinn a stóráil go dtí seo ná iad a chur isteach i gcineál "Sparáin Fuar" i gcónaí, áit nach mbeidh rochtain ag an sparán ach ar an blockchain (nó go simplí "téigh ar líne") nuair a sheolann tú amach cistí, rud a laghdóidh an seans go eachtraí hacking. Is cineál de sparán fuar saor in aisce é sparán páipéir, go bunúsach is péire seoltaí poiblí agus príobháideacha as líne é agus beidh sé scríofa agat áit éigin, agus é a choinneáil slán. Mar sin féin, níl sé buan agus tá sé so-ghabhálach do ghuaiseacha éagsúla.

Is cinnte gur rogha níos fearr sparán fuar anseo sparán crua-earraí. De ghnáth is gléasanna USB-chumasaithe iad a stórálann príomhfhaisnéis do sparán ar bhealach níos marthanaí. Tógtar iad le slándáil ar leibhéal míleata agus déanann a gcuid déantúsóirí a gcuid firmware a chothabháil i gcónaí agus mar sin thar a bheith sábháilte. Mórleabhar Nano S agus Mórleabhar Nano X agus is iad na roghanna is coitianta sa chatagóir seo, cosnaíonn na sparán seo thart ar $50 go $100 ag brath ar na gnéithe atá á dtairiscint acu. Má tá do shócmhainní agat is infheistíocht mhaith iad na sparán seo inár dtuairim.

Ceisteanna Coitianta

An féidir liom ICP a cheannach le hairgead tirim?

Níl aon bhealach díreach ann chun ICP a cheannach le hairgead tirim. Mar sin féin, is féidir leat áiteanna margaidh a úsáid mar LocalBitcoins chun ETH a cheannach ar dtús, agus críochnaigh an chuid eile de na céimeanna trí do ETH a aistriú chuig malartuithe AltCoin faoi seach.

Is malartú Bitcoin idir piaraí agus piaraí é LocalBitcoins. Is margadh é inar féidir le húsáideoirí Bitcoins a cheannach agus a dhíol óna chéile. Cruthaíonn úsáideoirí, ar a dtugtar trádálaithe, fógraí leis an bpraghas agus leis an modh íocaíochta is mian leo a thairiscint. Is féidir leat a roghnú a cheannach ó dhíoltóirí ó réigiún in aice láimhe áirithe ar an ardán. Tar éis an tsaoil, is áit mhaith é chun Bitcoins a cheannach nuair nach féidir leat na modhanna íocaíochta atá uait a fháil áit ar bith eile. Ach is iondúil go mbíonn praghsanna níos airde ar an ardán seo agus caithfidh tú do dhícheall cuí a dhéanamh chun scammed a sheachaint.

An bhfuil aon bealaí tapa chun ICP a cheannach san Eoraip?

Sea, i ndáiríre, tá an Eoraip ar cheann de na háiteanna is éasca chun cripte a cheannach i gcoitinne. Tá bainc ar líne fiú ann ar féidir leat cuntas a oscailt go simplí agus airgead a aistriú chuig malartuithe mar Coinbase agus Seasamh.

An bhfuil aon ardáin eile ann chun ICP nó Bitcoin a cheannach le cártaí creidmheasa?

Tá. Is ardán an-éasca le húsáid é freisin chun Bitcoin a cheannach le cártaí creidmheasa. Is malartú cryptocurrency toirt é a ligeann duit crypto a mhalartú go tapa agus é a cheannach le cárta bainc. Tá a chomhéadan úsáideora an-éasca le húsáid agus tá na céimeanna ceannacháin sách féinmhínitheach.

Léigh tuilleadh faoi bhunghnéithe Internet Computer (IOU) agus an praghas reatha anseo.

Nuacht is Déanaí le haghaidh ICP

The agenda for the Mercury Genesis Launch Event is live and packed with talks and demos you won't want to miss!… https://t.co/v6xdPFDdyu
https://t.co/EjWYx9mktL
Mercury Genesis is 7 days out. 🚀Join the event live for a chance to win limited edition SWAG.… https://t.co/xVsSD7WsDo
The #InternetComputer is designed for entrepreneurs, developers, and enterprises looking for better ways to build s… https://t.co/gxg70qyie9
During our most recent hackathon, @TheHackerFund mentor base of elite technologists joined professional development… https://t.co/KNMvX5BLFn
0