first thing to understand is that hive utilizes Blockchain protocol to deliver a complete wholesome web3 experience to users, and as such these blockchain generate a set of encrypted keys with specific functions that are unique to your account and wallet.
these set of keys are very unique and very special to your account, which you must securely keep safe off the internet cause hackers and fraudsters could hack into your account hence 
understand that your hive account also doubles as your wallet address on hive for storing your hive native token $HIVE $HBD your vested $HIVE (HP) and all of your HIVE-ENGINE TOKENS and so you have to have your keys stored securely on
What Is Keychain?
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built with advance Security Features, Keychain extensions and Apps are design to offer a secure and controlled interface for accessing the hive blockchain, Keychain keeps your keys secure by storing them in your device and never on external servers, Keychain uses encryption to safe guard these keys and require manual confirmation for monetary transactions or any other operations, there by preventing unauthorized access, additionally Keychain will inform you if you're trying to make a transaction with a potential phising account, to make the security further you can use Keychain to sign transactions using a ledger
All In One Place
View all your hive account information from a single place, here are some of the things you can do on your Keychain home page.
switch between account
check voting power and resource credit
Access and manage your hive token native ($HIVE | $HBD | $HP) token and all of your hive engine token in your wallet
Discover more about the ecosystem, Buy, sell and swap tokens
access the settings menu in the upper left corner of your screen
Access All Hive blockchain Native token and HIVE-ENGINE TOKENS all in one App
the keychain App offers you the seamless convenience of accessing all of hive's native token and hive-engine token all on the App, without lifting a finger, what are these and how can we know the difference...
$HIVE: main token of the hive blockchain used for transactions and trades
HP : vested hive, having more HP increases your voting weigh, earns you higher author and curation rewards, more Resource Credit and increased your influence on matters of governance.
$HBD: (Hive Backed Dollar) hive's stable coin pegged to the dollar, used for transactions as well locked HBD in savings generate 20% APR
Hive Engine tokens:Are second layer tokens, created by third parties...
there are a whole lot you can do on @Keychain App, everything about Hive is captured on that App, the singular reason why you must install Keychain on your smart phone or have the extension on your computer is because Keychain offers you the sweet easy access to all of hive's ecosystem, Dapps, Games, socials, Finances right there without having to unnecessarily copy amd paste your keys to have access, hive Keychain utilizes the specific keys required for any actions and give you access,
so I will be showing you how to get all of this done in just simple steps for mobile phones..
first of all download the Keychain App from playstore or Google store
once installed open the App create a six digit pin that is unique to you and easy to remember
you will then need to add your existing account, import an account or add a new account if you're new.
I will be adding my already existing account so I tap on the existing account, it will require i out in my private keys and username
once in you will be shown series of tips to give you heads up, then navigate to the top left corner of your screen to access the settings menu
tap on manage keys
recall I logged in with my memo key so that's automatically added, so we will proceed to adding our private posting and active keys
we've successfully added all our keys to key chain
UNDERSTANDING YOUR KEYS AND THIER SPECIFIC FUNCTIONS
each hive key has it specific function and purpose as it has to do with carrying out activities or transactions on the hive blockchain.
Owner key: allows you to recover accounts and regenerate other keys, this key is very special and very unique, serves as your master key, it's not stored anywhere, you have to keep it as private and well secured as much as possible.
Active Key: Allows you to transfer and manage asset and participate in governance, this key has monetarily functions, so be very discreet about it.
posting key: Allows you to perform blogging functions such as posting, commenting, voting and more.
Memo key Allows you to encrypt and decrypt memos attached to transfer, in blockchain operation memo are very important so your tokens won't be lost, can be found and recovered.
Thankyou for Reading till this point feel free to drop in your questions, suggestions or comments in the comment section....
Pls never use your owner key or account password to login, into hive through any front-end, i tried it and almost lose my accounts, thanks to melinda010100 who safed me
images and text sourced from the keychain app
