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Nice list. This will help a lot of newbies to get a rough overview regarding all available exchanges. The only one i know is missing seems to be https://nanex.co/. An exchange with nano as main trading pair. Its quite a new exchange. And it is definetely different from others. But may be worth adding to that list. This list is oriented to discover what code / system is behind exchanges and probably the frontend also. You cannot find this information on internet at all. Other informations is nice there also, but primary for the systems behind. IMHO This is important to know. Please, send me more info about Nanex. |
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Awesome job you've done there m8!
Maybe add a column with official bitcointalk threads for these exchanges? If you'll agree I'll find a couple of such threads here so you can add them.
Good idea, I will link ID with Bitcointalk thread. You are welcome! |
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This is very useful post. I only wish you could also add column with cold wallet address (or link to the place where it can be monitored).
Also I have seen somewhere Binance uses some modified open-source backend engine. Hope someone can provide more info because this is very useful info (for example for beginners programmer)
I will add next field, if it will be useful for other users. But this is primary for understanding, what is behind exchanges. Nobody can answer it in many forums, then table will be useful. Can you send me more information about Binance? |
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You can add Legolas, an exhcange coming this year
Please, send me full info. After I will add. |
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| | id | name | ver | doc | countries | Backend engine | Frontend engine |  | _1broker | 1Broker | 2 | API | US | | |  | _1btcxe | 1BTCXE | * | API | Panama | | |  | acx | ACX | 2 | API | Australia | | |  | allcoin | Allcoin | 1 | API | Canada | | |  | anxpro | ANXPro | 2 | API | Japan, Singapore, Hong Kong, New Zealand | | |  | bibox | Bibox | 1 | API | China, US, South Korea | | |  | binance | Binance | * | API | Japan | | |  | bit2c | Bit2C | * | API | Israel | | |  | bitbank | bitbank | 1 | API | Japan | | |  | bitbay | BitBay | * | API | Poland, EU | | |  | bitcoincoid | Bitcoin.co.id | 1.7 | API | Indonesia | | |  | bitfinex | Bitfinex | 1 | API | British Virgin Islands | undefined (Ruby) | |  | bitfinex2 | Bitfinex v2 | 2 | API | British Virgin Islands | undefined (Ruby) | |  | bitflyer | bitFlyer | 1 | API | Japan | | |  | bithumb | Bithumb | * | API | South Korea | | |  | bitlish | Bitlish | 1 | API | UK, EU, Russia | | |  | bitmarket | BitMarket | * | API | Poland, EU | | |  | bitmex | BitMEX | 1 | API | Seychelles | | |  | bitso | Bitso | 3 | API | Mexico | | |  | bitstamp | Bitstamp | 2 | API | UK | | |  | bitstamp1 | Bitstamp v1 | 1 | API | UK | | |  | bittrex | Bittrex | 1.1 | API | US | undefined (C#) | |  | bitz | Bit-Z | 1 | API | Hong Kong | | |  | bl3p | BL3P | 1 | API | Netherlands, EU | | |  | bleutrade | Bleutrade | 2 | API | Brazil | | |  | braziliex | Braziliex | * | API | Brazil | | |  | btcbox | BtcBox | 1 | API | Japan | | |  | btcchina | BTCChina | 1 | API | China | | |  | btcexchange | BTCExchange | * | API | Philippines | | |  | btcmarkets | BTC Markets | * | API | Australia | | |  | btctradeim | BtcTrade.im | * | API | Hong Kong | | |  | btctradeua | BTC Trade UA | * | API | Ukraine | | |  | btcturk | BTCTurk | * | API | Turkey | | |  | btcx | BTCX | 1 | API | Iceland, US, EU | | |  | bxinth | BX.in.th | * | API | Thailand | | |  | ccex | C-CEX | * | API | Germany, EU | | |  | cex | CEX.IO | * | API | UK, EU, Cyprus, Russia | | |  | chbtc | CHBTC | 1 | API | China | | |  | chilebit | ChileBit | 1 | API | Chile | | |  | cobinhood | COBINHOOD | * | API | Taiwan | | |  | coincheck | coincheck | * | API | Japan, Indonesia | | |  | coinegg | CoinEgg | * | API | China, UK | | |  | coinexchange | CoinExchange | * | API | India, Japan, South Korea, Vietnam, US | | |  | coinfloor | coinfloor | * | API | UK | | |  | coingi | Coingi | * | API | Panama, Bulgaria, China, US | | |  | coinmarketcap | CoinMarketCap | 1 | API | US | | |  | coinmate | CoinMate | * | API | UK, Czech Republic, EU | | |  | coinsecure | Coinsecure | 1 | API | India | | |  | coinspot | CoinSpot | * | API | Australia | | |  | coolcoin | CoolCoin | * | API | Hong Kong | | |  | cryptopia | Cryptopia | * | API | New Zealand | | |  | dsx | DSX | 3 | API | UK | | |  | ethfinex | Ethfinex | 1 | API | British Virgin Islands | | |  | exmo | EXMO | 1 | API | Spain, Russia | | |  | exx | EXX | * | API | China | | |  | flowbtc | flowBTC | 1 | API | Brazil | | |  | foxbit | FoxBit | 1 | API | Brazil | | |  | fybse | FYB-SE | * | API | Sweden | | |  | fybsg | FYB-SG | * | API | Singapore | | |  | gatecoin | Gatecoin | * | API | Hong Kong | | |  | gateio | Gate.io | 2 | API | China | | |  | gdax | GDAX | * | API | US | | |  | gemini | Gemini | 1 | API | US | | |  | getbtc | GetBTC | * | API | St. Vincent & Grenadines, Russia | | |  | hitbtc | HitBTC | 1 | API | UK | | |  | hitbtc2 | HitBTC v2 | 2 | API | UK | | |  | huobi | Huobi | 3 | API | China | | |  | huobicny | Huobi CNY | 1 | API | China | | |  | huobipro | Huobi Pro | 1 | API | China | | |  | independentreserve | Independent Reserve | * | API | Australia, New Zealand | | |  | itbit | itBit | 1 | API | US | | |  | jubi | jubi.com | 1 | API | China | | |  | kraken | Kraken | 0 | API | US | | |  | kucoin | Kucoin | 1 | API | Hong Kong | | |  | kuna | Kuna | 2 | API | Ukraine | | |  | lakebtc | LakeBTC | 2 | API | US | | |  | liqui | Liqui | 3 | API | Ukraine | | |  | livecoin | LiveCoin | * | API | US, UK, Russia | | |  | luno | luno | 1 | API | UK, Singapore, South Africa | | |  | lykke | Lykke | 1 | API | Switzerland | | |  | mercado | Mercado Bitcoin | 3 | API | Brazil | | |  | mixcoins | MixCoins | 1 | API | UK, Hong Kong | | |  | nova | Novaexchange | 2 | API | Tanzania | | |  | okcoincny | OKCoin CNY | 1 | API | China | | |  | okcoinusd | OKCoin USD | 1 | API | China, US | | |  | okex | OKEX | 1 | API | China, US | | |  | paymium | Paymium | 1 | API | France, EU | | |  | poloniex | Poloniex | * | API | US | | |  | qryptos | QRYPTOS | 2 | API | China, Taiwan | | |  | quadrigacx | QuadrigaCX | 2 | API | Canada | | |  | quoinex | QUOINEX | 2 | API | Japan, Singapore, Vietnam | | |  | southxchange | SouthXchange | * | API | Argentina | | |  | surbitcoin | SurBitcoin | 1 | API | Venezuela | | |  | therock | TheRockTrading | 1 | API | Malta | | |  | tidex | Tidex | 3 | API | UK | | |  | urdubit | UrduBit | 1 | API | Pakistan | | |  | vaultoro | Vaultoro | 1 | API | Switzerland | | |  | vbtc | VBTC | 1 | API | Vietnam | Blinktrade | Blinktrade |  | virwox | VirWoX | * | API | Austria, EU | | |  | wex | WEX | 3 | API | New Zealand | | |  | xbtce | xBTCe | 1 | API | Russia | | |  | yobit | YoBit | 3 | API | Russia | | |  | yunbi | YUNBI | 2 | API | China | Peatio | Peatio - Angular.js 1.x |  | zaif | Zaif | 1 | API | Japan | | |  | zb | ZB | 1 | API | China | | |
Send me informations, I will update table. |
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You are quite true, there is system for frontend and backend.
I am interested in backend.
Should be some same engine, probably frontend and backend will be in one package.
Also true with the time, but the information about backend will be nice for community.
I will never start it without penetration testing.
Anyway I will just publish here for community.
Many people want to know what is engine behind.
Hope community will help me.
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Getting your team ready for in-house development will be good idea or you can hire any tech dev company as your technical parter.
If I am honest, the time is problem. Development from scratch is not good idea for my situation. Seems nobody can answer my question. Peatio is near the answer. Probably if somebody can answer what is behind the exchanges, can be good help for me. I can create some list, the exchanges I can know and rest we can solve together. I will update this topic of that. |
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Thank you for answer.
I understood all risks of running exchange.
But cannot find the source with some links.
Probably links to some projects will be fine, which are not mentioned here.
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Which is the best cryptocurrency exchange on the market? It can be one-time paid or open-source, no PHP projects, no outdated, no decentralised like forkdelta. I found BlinkTrade, which seems work only with BlinkTrade API. https://blinktrade.com/Peatio seems very hard to integration and outdated. https://github.com/peatio/peatioCoinffeine, I am not checked this deeply. http://www.coinffeine.com/ViaBTC have open the server, but not full code. https://github.com/viabtc/viabtc_exchange_serverSeems there is out some system, which are using many exchanges - like Bittrex, etc. Many seems very similiar. Can you maybe mention some exchange source, which you think is preatty good. I can pay for code as well with reasonable price. |
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I can tell you that a transaction with one input and two outputs (including a change address) is around 224 bytes (so I guess 224 chars as well). I don't think there is much variation in size for transactions with one input and two outputs.
I don't know about LN, but I assume those transactions are Segwit transactions which should mean that their signature is detached from the transaction itself. So it should be smaller, perhaps twice smaller, since that is what they say is a new virtual size of blocks.
Not really sure about 224 bytes... I check right now some signed transactions and is it about 400 chars. The best for "safe" reduce hex is base91 I think. Then maybe is possible some parameters, which can be added after transmission. Second option is entropy ( https://en.wikipedia.org/wiki/Entropy_%28information_theory%29) for some parts of transaction. Not really sure about it. For example in segwit: 01000000 version 0001 segwit flag (new) 01 number of inputs fd461a7cf84bc4cae3427f25b547439910cce3fe0a6e86744d53bdc63e41a71900000000 input 1 txo id 00 input 1 dummy ffffffff input 1 sequence/maturity lock 01 number of outputs 131cd90800000000 output 1 value 19 76a9141a0bde6a36b62dd42bb467e10c1217be277684bc88ac output 1 scriptPubKey 01 input 1 number of witness elements 6b 483045022100c30407ee492bf98c66b832ea22b78f02efc1b7925447d85b185c20f865afd399022 05ddae735daecd897abbb9d4d2c2820bdc45837301972a93fc2496cb07b0d629a012103fa91ab10 65b9730f795ea36fbc61117faf340ec35d663ddbe421236000fbeea8 input 1 witness 1 00000000 lock time Put out version, lock time, etc... Example segwit transaction: 0100000000010115e180dc28a2327e687facc33f10f2a20da717e5548406f7ae8b4c811072f8560 40000002322002001d5d92effa6ffba3efa379f9830d0f75618b13393827152d26e4309000e88b1 ffffffff0188b3f505000000001976a9141d7cd6c75c2e86f4cbf98eaed221b30bd9a0b92888ac0 2473044022038421164c6468c63dc7bf724aa9d48d8e5abe3935564d38182addf733ad4cd810220 76362326b22dd7bfaf211d5b17220723659e4fe3359740ced5762d0e497b7dcc012321038262a6c 6cec93c2d3ecd6c6072efea86d02ff8e3328bbd0242b20af3425990acac00000000 Is it 462 chars long |
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Hello all.
How short can be signed transaction in chars?
I have idea do it as short as possible, but don't know the formula.
Is there any function to make it shorter or delete unnecessary items?
Is Lightning transaction in same format?
Thank you
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Claymore isn't supported by lack of API. L3+ isn't out yet but I don't think it will have the requirements. We plan do some L3+ and GPU mining (thinking about two currencies mine - in this case Claymore). But is there any alternative to mine tw currencies in same time and is it supported by Minera? Do you offer custom development/support of Minera also? |
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Hello Guys, I have one question, which cannot answer myself well.
For example Blackcoin. Or other PoS.
What will happens, when all coins are mined?
1. Who will own 51% technically?
2. What happens with annual interest?
3. What will have miners? Fee? Is possible calculate how much?
Is it possible test it with cloning?
Thanks.
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I want for test purposes premine 100% of Blackcoin clone.
What is the best way to do it?
Should I?
1. Setup easy difficulty / big reward
2. Build coin
3. Premine
4. Setup back the difficulty - for regular Blackcoin code
5. Build coin
Is here any tutorial or help?
Thank you.
if you want create altcoin with premine 100% nothing people interest your buy your ico selling nothing altcoin exchanger accepted your coin For test purposes. |
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I want for test purposes premine 100% of Blackcoin clone.
What is the best way to do it?
Should I?
1. Setup easy difficulty / big reward
2. Build coin
3. Premine
4. Setup back the difficulty - for regular Blackcoin code
5. Build coin
Is here any tutorial or help?
Thank you.
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I read somewhere that Dash is instant confirmation, so if it is instant it should be Dash for me
Have you more information about this? Seems interesting if is it true. |
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Now that I think about it, you referred the outputs as different transactions.
Just in case that you're not aware, a transaction can have more than one output addresses. An input can't be used in multiple transactions but you can "split" the bitcoins from one input to many multiple addresses in a single transaction. Most wallets does this automatically with change addresses.
You really don't need any script to split the coins unless you're looking for a way to make transactions automatically.
You are true. But i am searching for automation. Its probably possible with the bitcoin core build in API or any other API. The question is why, as this would increase the UTXO set and result in higher fees for you over time. I am try find the way have some part of money from transaction and rest send to address. Not sure how it can be done. |
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transaction/second depends on how many people are using it.
speed of transaction to appear on the network depends on the speed with which you can send the transaction out (internet speed) and the nodes to receive it and propagate it also based on the connectivity of the nodes (connected to 1 node takes longer than if you are connected to 100 and send the tx to all of them)
confirmation time also has nothing to do with the algorythm. it is based on the time difference between blocks. (how fast blocks are mined) if it is ~10 minute like bitcoin time is ~10 minutes. if an altcoin can mine blocks every 5 seconds then it is every 5 seconds.
number of transaction/second that the coin can handle depends on size of the block (eg 1 MB for bitcoin) and time between blocks (i think it is something like 7 tx/s for bitcoin)
so which one of these is your question?
You are absolutely true. But when you use with same constellation bitcoin and dash. Dash will have better success. Then my question is which altcoin can have with (theoretical) same network better results. Number of transactions/second. Bitcoin has maximum 6 i think. About confirmation is the next question. I prefer the speediest of course. |
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