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Found 80 results

  1. Payment from solo mining -explain please. Ok, all here start from some point. Some buy GRC, some got GRC, be on pool or not. And we start solo mining. So now question is next one: on pool you got daily reward. But without pool, ono solo mining, my reward going up every hour. Question is: when will I got payment from solo mining. I have around 1100 GRC ( 10000 GRC is recomended value to stake regulary ) But what if you have less ( like I do).? I sow few users that have only 100 GRC or less with MAG 25 or 40 and got payment from DPOR , so they do solo mining. ( and their wallet stake and found block regardless low mag and few GRC on wallet) I read that every open wallet with even 1 GRC has chance to find block and stake, but that change is extremly low. So can I those cases put in that category ( random stake block with low MAG and 1 GRC)? So when I can expect my payment ? Time Since Last Reward: 6 days, 18 hours, 49 minutes, 21 seconds ago Estimated Research Owed: 31.27 GRC Estimated Interest Owed: 0.01 GRC I have found my first newbie block, I have 1100 GRC, wallet is running 24/7 and I have alot ( 23-42) connection in wallet. So every thing I need I have, except time when I will be payed off. Is this will be time when my wallet stake? Or it isnot in any realtionship with wallet staking
  2. Local Bitcoins Best Place To Convert Your Btc To Usd Or Another Currency, Payment Proof. Local Bitcoins: is a different sort of exchange that allows anyone anywhere to trade. It therefore has the largest amount of markets - although some without much liquidity - for example in Venezuela and other emerging markets. LocalBitcoins works like an open outcry with people in the same location as you - if you want to trade you can place a buy or a sell for a price and wait to be contacted by someone who wants to execute that trade. After agreeing the trade funds are released and held in escrow and depending on the specifics of the local banking system and times for transactions to get confirmed, the trade will eventually be completed. LINK
  3. Hashflare Bitcoin Cloud Mining with payment proof Our Features The mining starts immediately after confirmed payment. First payouts within 24 hours There is no time limit, no expiry date. Use our system for however long you would like. Hashflare Choose the amount to withdraw and receive it instantly View all mining related information in real-time, at any point from any location. You can decide which pools you want your hashrate to mine in. This allows you to find the most profitable combination. No hidden fees or comissions. Every single transaction is visible to you. Our service makes mining Cryptocurrency accessible to everyone. No longer it is required to buy expensive equipment and waste your time on setting it up. Simply select the desired power and generate revenue! Signup - Click here
  4. BandeiraCoin: After 2 years of intense research, we are launching our new program (Bandeira Coin) today. From this company, you can earn up to 40% monthly on your investment. We are happy to tell you that we have launched Bandeira Coin today , so hop on the cryptocurrency train early and don’t miss out of this exciting opportunity. It’s the cryptocurrency year!!! Many new millionaires and billionaires have emerged by tapping into this cryptocurrency business/investment. This is the year for cryptocurrency investment. Many high-level business and entrepreneurs are either commenting on it and getting involved in one way or the other. Although the opportunity for owning bitcoin is gone for most people, there are still many other viable cryptocurrency opportunities that can make you a millionaire available. Do you desire to learn the easiest and effective way to go about cryptocurrency investment? Get in here. We at Bandeira International Corporation are dedicated to teaching you everything you need to know about cryptocurrency investment. As you know before, Bandeira International Corporation Limited is a reputable company providing construction & investment solutions to public and private sectors since 2015 . Our business provides the innovative and efficient infrastructure that underpins our daily lives, supports communities and enables economic growth. Wait no further, Join us today!!! LINK
  5. TelcoMiner: Cloud Mining 15 KH/s For Free!!!!!!!!!! We are using one of the most advanced Bitcoin miners on the market today with great efficiency therefore lower power costs and low maintenance fees for us. 10% Referral Commission. Minimum Purchase: 0.005 BTC 20Khs. Withdrawal: Automatic 0.005 BTC. Payment Methods: BitCoin. LINK
  6. S7 Airlines Launches Blockchain-based Payment System The S7 Airline has launched an Ethereum Blockchain-based platform for automatic payments settlement with third party airline ticket sales companies. S7 announced that it has already used a new Blockchain-based system to sell over 100 tickets. In an official statement, S7’s representatives say: "The implementation of the Ethereum platform has opened up opportunities for a significant optimization of business processes for both the airline and its partners, and the speed of settlements has grown from 14 days to 23 seconds." Read the full article:
  7. Cryptopay

    Flex accounts With Cryptopay Flex accounts you can purchase, sell and store bitcoins safely, without worrying about bitcoin price fluctuations. Cryptopay account supports EUR, GBP and BTC; you can easily top-up your account with via SEPA, UK FPS, or your BTC address. Bitcoin debit card Cryptopay offers an alternative withdrawal facility in providing a Bitcoin debit card. You can easily convert your BTC to Euro or British Pound Sterling, and withdraw money using your Cryptopay VISA debit card at more than 3 million ATMs. Virtual debit card Another way to easily spend BTC online is using Cryptopay's Virtual debit card. Our card number can be used to pay online, anywhere VISA payment cards are accepted. Virtual cards are issued instantly, so don't need to wait for a plastic one to arrive. Money transfers With Cryptopay you can easily and instantly transfer money to anyone in the world. All you need is a Cryptopay account and your transaction will be processed within a few seconds. Bitcoin international transfers Bitcoin B2B Solutions B2B When it comes to business partnerships we are flexible and ready to build a bespoke offering, fine-tuned to meet your exact requirements. If you wish to accept bitcoin payments, white label bitcoin debit cards or custom blockchain solution — please get in touch with our sales team.
  8. Lisk (LSK) Coin Faucet 20 Every Min Claims With Payment Proof! Hello Guys,This is a new lisk faucet that pays 0.015 - 0.028 each claim per 20 minutes the minium for withdraw its 1 LSK, i do that in 2 daysWant to know more about Lisk? Visit HERE WALLET HERE FAUCET HERE "Sign up" then enter your Lisk Address.Lisk (LSK) Rate = 0.00079089 BTC = $1.90 (34.43%)COINMARKET now Payment Proof:
  9. GetLitecoin - LTC - Up to 1.000 litoshis every 30 min. - Payment Proof GetLitecoin Claim free LTC every 30 min. up to 1.000 Litoshis. You can increase every claim with the Loyalty Bonus + Referral Bonus. Minimum withdraw : 4.000 Litoshis, to FaucetHub. Still paying: Register --->> GetLitecoin
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  11. Earn up to 78.000 Litoshis p/hour with these faucets - Claim every 5 min. - Payment Proof Claim free LTC in less than 30 seconds with these sister faucets every 5 minutes easily. Direct to FaucetHub. Payment Proof: How to claim: Enter and click first ''Short Link'' Bonus: (Solve captcha and continue) Then put your LTC address and click ''Claim Now!'' Faucet 1 ---->> Register Faucet 2 ---->> Register
  12. Bitzer - LTC - 5.000 Litoshis every 30 min. - Payment Proof Bitzer Litecoin Claim free 5.000 Litoshis every 30 min. easily. 20% referral comission. Direct to FaucetHub. Paying now: Register --->> Bitzer
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  15. Coinadinfo - LTC - 1.000/2.000 Litoshis every 10 min. - Payment Proof Coinadinfo LTC Claim free 1.000-2.000 Litoshis every 10 min. easily. 10% referral comission. Direct to FaucetHub. Paying now: Register --->> Coinadinfo
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  17. 3000 satoshi / 150 min Minimum withdrawal amount 100.000 satoshi Withdrawal fee 50,000 satoshi
  18. Claim every 150min= 3000 Satoshi + payment proofs. With this platform you can earn up to 0.0002 btc free in a days. I Can Do. I Can Claim free No Invstment with upgarde Register now : payment proofs.Update 10/07/2017 : Claim every 5min= 100Satoshi Claim every 150min= 3000Satoshi No deposit required No investment required. Simultaneously earn your bitcoin for life! Instant withdrawal of your earned bitcoin directly to your wallet.
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  20. Irish startup introduces first ever wearable Dash payment wristband Creators of Bitcart, an Irish-based discount gift card platform, have today announced the launch of a landmark product called Festy, a QR code and NFC integrated wristband that allows festival and bar goers to pay for food and drinks using Dash, all without a wallet, a cell phone, or credit card. Festy is linked directly to a consumer’s Dash account, so funds are not stored on the Festy platform and transactions for goods occur within seconds, while the merchants have the ability to cash out their Dash for the equivalent fiat currency. Dash is the world’s leading digital currency for payments and currently the 6th most valued cryptocurrency at over $1.3 billion USD. Dash’s InstantSend technology allows the digital currency to make instant payments. In the next update, Dash will be able to process half a million transactions with extremely low fees, roughly ten cents per transaction. With no card numbers or private keys displayed while making purchases, Festy ensures maximum privacy, and users can top-up their wristbands at branded ATMs, or make simple transfers online. Bitcart CEO Graham de Barra said: Festivals are currently suffering from an extensive cash flow issue. Standard ATMs typically charge a high rate of $3-5 per withdrawal at festivals or abroad, and the middlemen supplying the machine require high compensation. On top of that, users can wait in line for up to two hours just to withdrawal their money at large festivals. These events also see a great amount of loss and theft, lacking a secure place to keep your wallet, further proving that cash is an insufficient means of transaction. Festy ensures that your money stays firmly clasped to you, helps create steady cash flows between the merchant and the consumer, and maintains a positive festival reputation. VP of Business Development for Dash Daniel Diaz said:
  21. A simple Ethereum payment channel implementation A simple Ethereum payment channel implementation Last week this article surfaced, informing (or perhaps reminding) Ethereumdevelopers that simple payment channels are feasible today and are not terribly difficult to implement. This was perfectly timed for me, as I was just about ready to start hacking away at a basic payment channel for Grid+. While I appreciated the article and its inspirational effect, I found it lacking in implementation details and upon diving deeper I found a few non-trivial technicalities that will throw you through a loop if you’re not careful. I thought the community would benefit from a fully fledged guide containing everything you need to add a simple payment channel to your app. So here it is. To follow along, check out my eth-dev-101 repo, which contains a contract file, a truffle test file, and a mocha test file. Opening a channel The first thing I did was rewrite the contract. I suspect there are several ways to make a functioning payment channel — here is mine. To open a channel, a sender would call this function: function OpenChannel(address to, uint timeout) payable { // Sanity checks if (msg.value == 0) { throw; } if (to == msg.sender) { throw; } if (active_ids[msg.sender][to] != bytes32(0)) { throw; } // Create a channel bytes32 id = sha3(msg.sender, to, now+timeout); // Initialize the channel Channel memory _channel; _channel.startDate = now; _channel.timeout = now+timeout; _channel.deposit = msg.value; _channel.sender = msg.sender; _channel.recipient = to; channels[id] = _channel; // Add it to the lookup table active_ids[msg.sender][to] = id; } This instantiates a new Channel struct with the relevant data including the sender, recipient, duration, and deposit amount. The function is payable and msg.value must be non-zero. This message amount will function as the deposit and all messages in the channel must be less than or equal to that deposit amount. Get the channel id Once the channel is open, we can get the channel id out of the active_idsmapping. Note that this means only one channel may be open for any two participants at any one time. I think this restriction is okay for most applications. function GetChannelId(address from, address to) public constant returns (bytes32) { return active_ids[from][to]; } This function is called on this line of our mocha file. Sending messages Once the channel is open and we have its id, the sender can pass signed messages to the recipient. One such message is formed in this test: var sha3 = require('solidity-sha3').default; var _value = 0.01*Math.pow(10, 18) var value = _value.toString(16) let _msg_hash = sha3(`0x${channel_id}`, _value); let msg_hash = Buffer.from(_msg_hash.substr(2, 64), 'hex'); let sig = util.ecsign(msg_hash, keys.test.privateKey); let parsed_sig = { v: sig.v.toString(16), r: sig.r.toString('hex'), s: sig.s.toString('hex') }; latest_value = value; latest_sig = parsed_sig; latest_msg_hash = msg_hash.toString('hex') Verifying a message When a recipient is given a signed message by the sender, he needs to decode it and verify that it could be used to close the channel. This can be hacked out in javascript, but I opted to instead write a constant contract function. This is basically a dry run for closing the channel — it returns trueif the channel can be closed with the message and false otherwise. function VerifyMsg(bytes32[4] h, uint8 v, uint256 value) public constant returns (bool) { // h[0] Channel id // h[1] Hash of (id, value) // h[2] r of signature // h[3] s of signature // Grab the channel in question if (channels[h[0]].deposit == 0) { return false; } Channel memory _channel; _channel = channels[h[0]]; address signer = ecrecover(h[1], v, h[2], h[3]); if (signer != _channel.sender) { return false; } // Proof that the value was hashed into the message bytes32 proof = sha3(h[0], value); // Ensure the proof matches if (proof != h[1]) { return false; } else if (value > _channel.deposit) { return false; } return true; } This function validates that the sender is indeed the one who signed the message and that the provided value is both correct and acceptable for the channel. Closing the channel Once either participant is happy with the state of the channel and wants to close it, he or she may do so using this function: function CloseChannel(bytes32[4] h, uint8 v, uint256 value) { // h[0] Channel id // h[1] Hash of (id, value) // h[2] r of signature // h[3] s of signature // Grab the channel in question if (channels[h[0]].deposit == 0) { throw; } Channel memory _channel; _channel = channels[h[0]]; if (msg.sender != _channel.sender && msg.sender != _channel.recipient) { throw; } address signer = ecrecover(h[1], v, h[2], h[3]); if (signer != _channel.sender) { throw; } bytes32 proof = sha3(h[0], value); if (proof != h[1]) { throw; } else if (value > _channel.deposit) { throw; } // Pay out recipient and refund sender the remainder if (!_channel.recipient.send(value)) { throw; } else if (!_channel.sender.send(_channel.deposit-value)) { throw; } // Close the channel delete channels[h[0]]; delete active_ids[_channel.sender][_channel.recipient]; } Note that this is very similar to VerifyMsg, but for two differences: It may only be called by the sender or recipient of the channel It pays the recipient, refunds the sender the remainder, and deletes the channel An example of closing a channel is shown in this test. Channel timeouts A careful reader might have noticed that these functions do not check that the channel is expired. This was by design, as there is another function that will delete a channel when the time is expired. function ChannelTimeout(bytes32 id){ Channel memory _channel; _channel = channels[id]; // Make sure it's not already closed and is actually expired if (_channel.deposit == 0) { throw; } else if (_channel.timeout > now) { throw; } else if (!_channel.sender.send(_channel.deposit)) { throw; } // Close the channel delete channels[id]; delete active_ids[_channel.sender][_channel.recipient]; } Note that this refunds the entire deposit to the sender if the channel is expired, so the recipient should be diligent about that expiration time! You could probably implement payment channels without timeouts, but I like having them for reasons I won’t get into. Token Channels! The payment channel idea is easily extendible into channels that use ERC20 tokens as payment. Consider this slightly tweaked OpenChannel function: function OpenChannel(address token, address to, uint amount, uint timeout) payable { // Sanity checks if (amount == 0) { throw; } if (to == msg.sender) { throw; } if (active_ids[msg.sender][to] != bytes32(0)) { throw; } // Create a channel bytes32 id = sha3(msg.sender, to, now+timeout); // Initialize the channel Channel memory _channel; _channel.startDate = now; _channel.timeout = now+timeout; _channel.deposit = amount; _channel.sender = msg.sender; _channel.recipient = to; _channel.token = token; // Make the deposit ERC20 t = ERC20(token); if (!t.transferFrom(msg.sender, address(this), amount)) { throw; } channels[id] = _channel; // Add it to the lookup table active_ids[msg.sender][to] = id; } Note that this calls transferFrom, which means the sender needs to approve the channel to move tokens ahead of time. Everything else is exactly the same from the user’s perspective— see the contract here and the mocha test here. A note about gas It should be noted that payment channels are not scalability mechanisms for the Ethereum network itself — we need on-chain scaling solutions such as Proof of Stake and sharding to expand the overall transactional throughput. However, payment channels can alleviate a lot of network traffic save a lot of gas for individual applications if used properly. Consider that an ether transfer costs around 20,000 gas, while a token transfer is somewhere around 50,000. Opening a channel is about 150,000 and 250,000 gas, respectively (I didn’t clock these precisely, but the numbers are correct within +/- 50,000). Closing a channel costs roughly the same amount (also not precise measurements). So if we want to break even, we would need roughly: (150,000+150,000)/20,000 ~ 15 ether transactions (250,000+250,000)/50,000 ~ 10 token transactions These are very low for many applications, but can’t be justified for everything. Just keep this in mind when determining if your application needs a payment channel. Miscellaneous points In my tests, you’ll notice things like 0.01*Math.pow(10, 8). This is at odds with an article I wrote previously about usingBigNumber. I can write my number in plain javascript because I’m not operating on it. If I were dividing my number (and certainly if it had 18 decimals instead of 8), I would need to use the BigNumber representation. You may have noticed that a smart receiver will always submit the highest amount when he or she is done with the channel. This is fine for applications where the message amount grows monotonically, but many implementations of state channels will use nonces and dispute resolution. Roughly, this means that the sender keeps all messages and, if the receiver cheats and tries to close the channel with an earlier message, the sender can dispute that. If the sender disputes with a message that has a higher nonce, that message will be used to close the channel instead. Update 6/19/17 Version 2: Upon integration into Grid+, I didn’t like a few things in the above implementation. I wrote a second version of the above payment channel, which can be found here. The improvements are as follows: The messages now include nonces, which are meant to be incremented by the sender. Instantiation of the channel includes an optional “challenge period” whereby either party can submit a message with a higher nonce to replace the message currently queued to close the channel. The ChanelTimeout function has been deleted. The channel can only be closed by the receiver (though either party can submit challenged). That’s all folks That’s all there is to my simple payment channel implementation. It’s still a fresh idea and I welcome any feedback and suggestions. Huge thanks to Matthew Di Ferrante for writing that initial article, which got my mental gears spinning. Hopefully this tutorial is enough to seed some simple implementations across the community. Contracts are getting quite expensive and I think payment channels could help lighten the load if used properly. Grid+ is a perfect place for payment channels and if you aren’t familiar with us already, check out to join our mailing list. You can also follow us on twitter. Thanks for reading! Read More
  22. providing a free payment gateway for E-commerce Hi guys, If you are a merchant, or being about to become a merchant, want to start your business on shopify or other platform, you want to look for a payment gateway, I suggest that you can contact! It's a great online payment platform, support multiple service, including Pay online, receive money, deposit&withdraw, exchange, virtual card, etc. In addition, it also offers Epay API servive. And now they have a lot of merchants and registered users, more importantly, integrating with Epay API, you can get multiple payment options: OKPAY Perfect Money Bitcoin Payeer Advcash Paypal ------------ Wire transfer MoneyGram Western Union Ria Money Transfer, etc More details or how to integrate with Epay API, please visit here:
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