Sell walls: the action of artificially keeping the price of a cryptocurrency asset low by placing a large sell order. Large financial operators or investors (nicknamed « whales ») may want to artificially keep the price of a cryptocurrency low so that they can keep accumulating quietly, without causing a sharp rise in price. These are called « walls » because on exchanges, the graphics showing offer and demand will show a very high « wall » on the offer size. The mechanism is that the investor will put a very large sell order (usually 100 to 1000 times more cryptocurrency units than regular orders). Because of how exchanges operate, the sell will only take place if there is sufficient demand to fulfil the entire order, so smaller operators who have a real need/urge to sell would have to sell below that wall (i.e. cheaper) to make sure they can get paid. This will cause a condition where the price will stagnate, allowing those whales to put as much smaller buy orders as they need. Sell walls may be removed once the buying whales have reached their objectives.
It pays to shop around some before deciding on where you want to open an account, and to check out our broker reviews. We list minimum deposits at the top of each review. Some firms do not require minimum deposits. Others may often lower costs, like trading fees and account management fees, if you have a balance above a certain threshold. Still, others may give a certain number of commission-free trades for opening an account.
For the active trader, execution speed and fill price are very important. I won’t get too in depth here but I have tested many of these brokers and there can be noticeable differences in trade execution times and quality. For the majority of investors, saving a penny per share on a 100 shares order isn’t the end of the world, but for active traders it is something to look into. To understand Order Execution, read this guide.
Instant-access exchanges offer speed and anonymity. You will most often trade your cryptocurrency against another at a fixed rate, but without the hassle of having to set up an account on a full exchange, without having to fund balances (you must use your own wallets – more on wallets below), place buy/sell orders, then withdraw to your wallet. You will have to provide two addresses (in cryptocurrencies, addresses are where your funds reside to make it short): a payment address (for the cryptocurrency you want to purchase, i.e. the address of your target wallet) and a refund address (the address from where you are sending the money from, in case the exchange order cannot be fulfilled. These exchanges are for example Evercoin, Nexchange, ShapeShift or Changelly (Changelly is not anonymous though). Some of those will even allow to purchase cryptocurrency with fiat currency.
Dividends are quarterly payments companies send out to their shareholders. Dividend investing refers to portfolios containing stocks that consistently issue dividend payments throughout the years. These stocks produce a reliable passive income stream that can be beneficial in retirement. You can't judge a stock by its dividend price alone, however. Sometimes companies will increase dividends as a way to attract investors when the underlying company is in trouble. If a company is offering high dividends, ask yourself why management isn't reinvesting some of that money in the company for growth.
Pump and dump: this characterises a movement where a group of people with influence will either spread rumours, share hypothetical information or shill (shameless promotion) about a given cryptocurrency project. Their followers will start to buy massively the related cryptocurrency, initiating a « pump » movement, i.e. price starts going up very high and fast. At the same time, the people who spread those rumours will leverage the high increase to do a « dump » movement, i.e. sell the same cryptocurrency (that they had bought at very low prices) at the newly reached high price. The result: the group that initiated the pump will make a large profit, while the people who jumped on the pump train (those who bought in because of FOMO, fear of missing out) will have bought at a high price and are now with an asset that is worth only a fraction of the purchase price
3. Get an education. Warren Buffett has suggested in the past that every investor should be able to understand basic accountancy principles, an annual report and stock market history. You probably do not need to become an accountant, but being able to understand the scoring system of the game can only help. There are thousands of books about investing and trading - you don't need to read them all, but you probably ought to read a few to enhance your theoretical knowledge.

Because I keep repeating the same stuff over and over, and because the topic is interesting but requires an end-to-end approach, I tried to be as complete as possible. I hope it will deliver great value to you, and I wish you in advance a lot of fun and to behave responsibly. I will however not point out to specific cryptocurrencies, but tackle more the research process and the steps involved overall. Happy trading!
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