Poolin Mining pool

Poolin is currently one of the most prominent multi-currency pools on the market. The pool has a significant share of hashrate in most supported coins, and the opinion of its management is taken into account by major cryptocurrency investors and the media. At the same time, the policy of the pool’s management is often highly controversial and unpredictable.

Official website: https://www.poolin.com/

The pool history

Poolin was launched in 2017 by Bitmain employees. This caused the first serious conflict in the pool’s history – Bitmain sued the founders of Poolin, as they started their pool while working for Bitmain and in violation of an agreement with the mining giant. After 2 years of trials, Poolin lost and was forced to pay the ”parent” company monetary compensation.

Despite this and a number of other conflicts, Poolin is steadily developing and gradually growing, largely due to the convenience for miners. 

But there is one interesting feature: even the official statements of the pool administration should be treated with great caution. For example, this May Poolin announced the termination of Bitcoin SV mining from May 7. However, the currency is still being mined, and the pool ranks 11th in hashrate among BSV pools.  

Some numbers

Poolin is a real mining heavyweight that supports mining of most major currencies:

• BTC
• BCH
• ZEC
• LTC
• DASH
• DCR
• CKB
• BSV
• ETH

In the Bitcoin network hasrate, the pool’s share is 17.4% (19.22 EH/s with a total hashrate of 131.16 EH/s). Only F2pool is bigger, with a share of 18.2%.

Among the pools for Litecoin and ZCash mining Poolin is an unambiguous leader. A quarter of the LTC hashrate and a third of the ZCash hashrate are also very serious numbers.

In other supported currencies, Poolin ranks 4-5 when rating pools by hashrate. The only exception is the BSV situation already mentioned, but it is obvious that this coin is not a priority for the pool.

The pool fee varies depending on the currency being extracted. For Bitcoin, it is 2.5%. For other coins, it varies from 1% (Nervos) to 4% (Bitcoin Cash)

Registration with Poolin

Registration with Poolin does not differ much from other pools or cryptocurrency platforms. Just enter your email address, and then you will receive a confirmation code, entering which you can come up with a username, password and start working. 

You can use your phone number instead of email, or log in with a Google or Apple account.

After activation, you will be able to enable additional account security methods, including two-factor authentication.

Working with a pool

The principles of working with Poolin are quite simple, but somewhat different from most other pools.

First, you must create sub-accounts. Without them, you will not be able to mine. Fortunately, you just need to log in to your account on the site, click on the “Create sub-account” button in the menu at the top of the screen and select the currency of the sub-account. After that, you will get the sub-account ID, which you can use in the ASIC settings.

You will need at least one sub-account for every currency that you mine. Also, in the settings of the sub-account, you must specify the wallet address to which the reward will be transferred.

When setting a worker in the ASICa settings, you will need to specify your subaccount and the name of the miner you set, separated by a dot:

subaccountname000BTC.001

Instead of subaccountname000BTC, your sub-account for bitcoin should be specified, and the name of the miner should be specified instead of 001.

Secondly, Poolin offers a powerful set of software tools that help the miner:

1. Poolin Smart Agent is a fairly convenient program for managing miners. You can use it to synchronize the work of several ASICs and create separate accounts for each device. In addition, it works as a configuration wizard when working with Poolin, setting the necessary parameters of ASICs (for example, the pool url) in automatic mode. Smart Agent is available in versions for BTC, Litecoin and Zcash. And it is in these currencies that Poolin’s share is the largest.
2. Hashrate Auto Switch. Enabling this feature allows miners to automatically switch between coins based on the same algorithm, depending on which currency is more profitable to mine at the moment. In contrast to manual reconfiguration of ASICs, automatic transitions allow you to quickly respond to changes in the situation and earn additional income.
3. Merged Mining. Mining BTC, BCH and LTC also allows you to get a small Vcash, Namecoin, and Dogecoin due to the use of part of the resources that are not optimally used when working with the main currency. The income is insignificant, but still nice.
4. MinerBox is a tool for working with a large number of ASICs simultaneously and configuring them.
5. A whole line of calculators and applications for monitoring ASICs status .
6. A mobile app that allows you to use almost all the functionality of the pool from your smartphone.

Starting mining

The Poolin support center provides detailed instructions for connecting popular models of ASICs (including even photos of correct cable connection). Most of the settings (including the wallet address) are set in the sub-account that you need to specify when creating the employee (see above), but you will need to set the pool URLS manually.

There are three addresses for each coin, the first of them is the main one, and the other two will be connected to the miner if the connection with the main one fails. 

BTC

URL 1：stratum+tcp://btc.ss.poolin.com:443

URL 2：stratum+tcp://btc.ss.poolin.com:1883

URL 3：stratum+tcp://btc.ss.poolin.com:25

When mining BTC, Merged Mining of VCash or NameCoin is possible (at the miner’s choice) without affecting the BTC hashrate. The amount of VCash or NMC received is not constant and depends on the number of coins produced by the pool on a particular day. They are distributed in proportion to the contribution of participants.

LTC

URL 1：stratum+tcp://ltc.ss.poolin.com:443

URL 2：stratum+tcp://ltc.ss.poolin.com:1883

URL 3：stratum+tcp://ltc.ss.poolin.com:25

When mining LTC, Merged Mining of DogeCoin is possible without compromising the LTC hashrate. The ratio of LTC and DOGE coins received is fixed – 1: 2000. This increases the profitability of LTC mining by about 4%

BCH

URL 1：stratum+tcp://bch.ss.poolin.com:443

URL 2：stratum+tcp://bch.ss.poolin.com:1883

URL 3：stratum+tcp://bch.ss.poolin.com:25

When mining BCH, Merged Mining of VCash or NameCoin is possible (at the miner’s choice) without compromising the BCH hashrate. The amount of VCash received is not constant and depends on the number of coins produced by the pool on a particular day. They are distributed in proportion to the contribution of participants.

BSV

URL 1: stratum+tcp://bsv.ss.poolin.com:443

URL 2: stratum+tcp://bsv.ss.poolin.com:1883

URL 3: stratum+tcp://bsv.ss.poolin.com:25

*Important* It is not known how long BSV support will last in the pool.

When mining BSV, Merged Mining of VCash is possible without compromising the BSV hashrate. The amount of VCash received is not constant and depends on the number of coins produced by the pool on a particular day. They are distributed in proportion to the contribution of participants.

DASH

URL 1：stratum+tcp://dash.ss.poolin.com:443

URL 2：stratum+tcp://dash.ss.poolin.com:1883

URL 3：stratum+tcp://dash.ss.poolin.com:25

DCR  

URL 1：stratum+tcp://dcr.ss.poolin.com:443

URL 2：stratum+tcp://dcr.ss.poolin.com:1883

URL 3：stratum+tcp://dcr.ss.poolin.com:25

Conclusion

Poolin is one of the largest pools on the market, giving its users a wide range of opportunities both to improve the efficiency of mining and to simplify working with ASICs.

In the first years of the pool’s operation it had high fees, but after their sharp decline (for example, the fee for BTC mining was reduced from 4% to 2.5%), Poolin rates are similar to those of competitors.

It is also necessary to take into account the ping of the pool, it is not always optimal and may exceed 100ms, if the ping is high, the percentage of rejected payments is also high, and the yield is lower, so before you start mining on Poolin, check the ping from your computer.