Let´s start by defining what stablecoins are in order to correctly identify reasons why hodling stablecoins is an advantage. Taken from Wikipedia :"Stablecoins are cryptocurrencies where the price is designed to be pegged to a cryptocurrency, fiat money, or to exchange-traded commodities (such as precious metals or industrial metals)."

There are currenctly 4 types of stablecoins:

• Fiat-backed stablecoins which are fiat-backed stablecoin holds one or more fiat currencies (e.g., U.S. dollars, Euros, Japanese Yen, etc.)
• Commodity-backed stablecoins tied to tangible assets, such as gold or other precious metals
• Crypto-backed stablecoins may be pegged to a fiat currency, but collateral comes in the form of other digital currencies (such as bitcoin or ether).

• Algo-based stablecoins rely on smart contracts that use algorithms to adjust the supply of the stablecoins based on market demand

Basically stablecoins are pegged or "valued" at the unitary amount of their respective currencies or asset classes WITHOUT being Fiat Currencies with their inherent flaws. In this sense stablecoins by design stand the test of time and currency volatilities. According to the Blockchain Leader at Ernst & Young, Paul Brody stablecoins are an important property where volatility is high. In fact, currently while the Crypto Market is going haywire, they are a calmer investment.

HERE FOLLOWS REASONS WHERE CRYPTOCURRENCIES ARE SOUNDER THAN FIAT CURRENCY

1) Banking the millions who are unbanked. As we have seen recently with Uruguay making Bitcoin the legal tender and consequently achieving to bank millions of it´s unbanked citizens to banked status, this is a big deal. McKinsey & Company published a report with an estimated cross-border revenues for remittance companies at $230 billion. In fact, this makes it super hard and expensive for millions around the world to send money and support families back home. This money could and SHOULD reach the families it was destined for!

2) Due to their stable nature, stablecoins are often used on DeFi platforms  as pairs and form a significant crypto ecosystem.

3) Generate interest rates that are higher than "traditional financial institutions" like banks. For instance NEXO offers up to 10%APY on stablecoins such as USDC, EUROX,US Tether,PAX, DAI etc.

4) Increased Liquidity since stablecoins can be exchanged into other cryptocurrencies easily on crypto exchanges like Binance, Coinbase or Crypto.com.

5) Foster and promote the adoption of Cryptocurrencies: Stablecoins,due to their link to traditional asset classes and property, help many people make the transition into Cryptocurrencies softer and less cynical.

6) Ease or cushion losses in the Cryptomarket duting bear markets or crashes. For instance, according torelictumpro.medium.com website, during the Crypto fall of New Year 2018, while many cryptos dropped by 30–70%, the fall of the stable coin Tether was only about 8%. 

7) Smart Contract for stablecoins used in fields such as seamless trading but also lending, payments, insurance and market predictions are superior as they do not reply on third parties for trust and enforcement.

8) Shielding against hyperinflation in countries like Venezuela,Nigeria and Turkey where the values of  the national currencies are declining rapidly.

9) Daily transactions and regular payments: Whereas, it is still relatively more complex to use Cryptocurrencies such as Bitcoin for everyday purchases such as groceries or fashion, stablecoins are more favorable than the other erratic cryptocurrencies.

10) Online entrepeneurs and retailers will continue to opt for stablecoins such as DAI available for merchants to receive payments through exchange services such as Coinbase Commerce.

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How I earn money online passively:

I share my internet connection and earn money, simply earn for being online with Honeygain.

I also earn in Cryptocurrencies:

By writing on noise.cash and read.cash

I earn Bitcoins from Cointiply by filling out questionairres and participating in chats or faucets.

Moreover, I earn interest of my earned Crytocurrencies therefore compounding and growing my earnings here.

MY OTHER CRYPTO EARNINGS:

1) Through staking on Binance here. Use the link to join Binance and earn on your Crypto, stake , swap your Crypto and participate in Launchpads.

2) Receive 6.20 APY on my Bitoin thanks to Celsius Network deposited every Monday. [ Use my referral code 184283812c when signing up and earn $50 in BTC with your first transfer of $400 or more-You will be required to maintain the balance for 30days!]

3) Earn NEXO passively off my other Crypto investments on NEXO. Top up tp $100 or more, we’ll reward both of you with $25 in BTC. Moreover you can earn up to 17% on Polkadot and Avalanche in a current earnings campaign. 

4) Obtain 3.50 interest rate on my BAT Tokens from BlocFI.

5)Participate in missions and other campaigns to earn Crypto.com´s native token CRO here.

6) LEARN & EARN  from COINBASE a variety of Altcoins like Stellar Lumens (XLM), The Graph (GRT), Loopring (LRC) and many more. Get your $10 BTC from Coinbase if you trade, i.e buy or sell $100 in Crypto.