1, bitcoin exchange recommendations (1) Binance Binance is a trading platform focused on blockchain assets created by a group of digital Zichen enthusiasts. Based in Tokyo, Japan, Binance is a fusion of "Binary" and "Finance", meaning the fusion of digital technology and finance. Binance has issued its own token, BNB, for crowdfunding and trading, which will also fuel its decentralised on-chain trading platform. (2) Firecoin FireCoin is an innovative digital asset trading platform under FireCoin Group serving professional trading users worldwide, currently headquartered in Singapore. It currently provides trading and investment services for more than forty digital asset classes, and is operated by the Firecoin global professional station team. Firecoin Group is a globally competitive and influential provider of comprehensive digital asset services, providing quality services to millions of users in over 130 countries. (3) Bitfinex Bitfinex is a digital currency trading platform owned and operated by iFinex Inc. and offers a wide range of digital currency trading services, margin financing, and margin trading of Bitcoin and Litecoin. It currently holds around 8% of the world's digital currency trading platform market share. The platform supports top-up withdrawals in USD and EUR, OTC services, as well as online funding for fiat and digital currencies. iFinex Inc., the company to which the Bitfinex Bitcoin exchange belongs, is a financial technology company. (4) ZB.com ZB.com is a global digital currency exchange that is currently licensed as an exchange in Thailand and Dubai, and has established operations in Switzerland, Canada, the US, Bangkok and Dubai. ZB.com focuses on providing secure, convenient and compliant blockchain asset trading services to customers worldwide, supporting leveraged and C2C transactions (5) OKEx OKEx is one of the world's leading digital asset trading platforms, mainly for global users to provide coin and derivatives trading services for digital assets such as Bitcoin, Litecoin, Ether, etc. It is part of ACX Malta Technology Company Limited. 2. In addition to relying on scientific methods, cryptocurrency arbitrage has to find ways to save money. One of the easiest ways to do this is to take advantage of the reduced transaction fees. The handling fee is small, but it must not be ignored. I once calculated that as long as the transactions are frequent and long, the accumulation of small amounts may lead to more than 10,000 U. Next, I will introduce a few common ways to reduce the fees for large trading platforms. (1) Lowering Binance's fees Binance is currently the world's largest digital currency exchange, and you must sign up for Binance if you want to speculate on coins. The transaction fee is deducted from the assets received. For example, if you buy Ethereum/USDT, the fee is paid in Ethereum. If you sell Ethereum/USDT, the commission is paid in USDT. Example. You place an order for 10Ethereum at a price of USD3,452.55 per share. Transaction fee = 10Ethereum0.1% = 0.01Ethereum Or you place an order to sell 10Ethereum at 3,452.55 USDT per share. Transaction fee = (10Ethereum3,452.55USDT)*0.1% = 34.5255USDT What many people do not know is that the Binance transaction fee can also be reduced. If you want to reduce your Binance trading fees, you must use the invitation link below or use the invitation code "Q022W7SC" to register. https://accounts.binance.com/en/register?ref=Q022W7SC

(2) Reducing OKX fees OKX is a professional digital currency trading platform loved by many users, and its transaction fees can be reduced. Depending on the volume of transactions, OKX divides its users into two levels: normal and professional. Ordinary users are graded according to their OKB positions, while professional users are graded according to their trading volume and asset size. The different tiers determine the trading fees for the next trading day. When calculating the fee levels, if the coin trading volume, total trading volume of delivery and perpetual contracts (USDT delivery contract, coin-based delivery contract, USDT perpetual contract, coin-based perpetual contract), option contract trading volume, and asset volume meet the conditions of different fee levels, users will enjoy the fee discount of the highest level. First method: OKX has an official maximum savings rate of 20%. Use the link below to register with OKX and save 20% on fees. https://www.ouyi.business/join/BTC1ETH Second method: Open the OKX website and enter "BTC1ETH" in the "Invitation Code" on the registration page to see the cashback percentage: 20% at the bottom. Be sure to enter this invitation code, otherwise you can not get 20% cashback percentage. (3) Reduce FTX fees FTX is currently a very fast-growing, contract players more exchange, you must register FTX if you play the contract. if you want to reduce the FTX transaction fees, you must use the following invitation link to register. https://ftx.com/referrals#a=121031692 3, trading road is long, together with the forward Want to know more about how to reduce the commission? telegram: btcethcool We have set up a community dedicated to the study of trading, add telegram friends to pull you into the community.