Ruff (RUFF) ERC-20 token is listed on the number of exchanges paired with other crypto coins. It is used for settlements within the RuffChain.

Talking about Safe Galaxy Crypto as a whole, the coin is a deflationary token that works to yield liquidity on the Binance Smart Chain. Moreover, considering that the token is limiting its supply, the coin may grow to be a much more liquid asset over the years to come.

SALT an Ethereum-based token of the eponymous lending service, where one can borrow cash in exchange for collateral in crypto. The currency pairs including this token are listed on a few exchanges.

SaluS (SLS) coin operates on its own blockchain (released in 2016) and is represented on a few exchange platforms. SaluS is an open-source network.

The Sanshu Inu meme coin, similar to various other comparable tokens, utilizes the recognizable Shiba Inu canine as its logo. It is probably the most ‘youthful’ coin since it appeared on May 12, 2021.

Santiment Network Token (SAN) is an ERC-20 utility token of the Santimet market research network. The token is listed on a few exchanges with the possibility to trade it against USD.

sBTC (SBTC) is a cryptocurrency and operates on the Ethereum platform.

Scry.info (DDD) is an Ethereum-based token of the Scry.info global data aggregator. DDD token is listed on a few exchanges paired against bitcoin and Ethereum. In this abbreviation, “DDD” stands for "distributed data depositary".

sETH (SETH) is a cryptocurrency and operates on the Ethereum platform.

The Shiba Inu token is sometimes referred to as the Dogecoin killer. The project emerged on the market in august 2020.

Siacoin is a utility token of the cloud storage platform called the Sia network. Sia is open-source and blockchain-based. The operations take place on Sia's own blockchain. The coin is used to pay for storage rent transactions. The coin is Proof-of-Work-based meaning that Siacoin can be mined. Another use for the coin is trading. 

An Ethereum token SingularDTV (SNGLS) was released in 2016. As of now, the token is represented on the number of exchanges paired against BTC and ETH.

SingularityNET (AGI) is an ERC-20 token and can be traded with several exchanges. This is the token of the SingularityNET AI-services platform.

SIRIN LABS (SRN) token is based on the Ethereum protocol. It is a utility token used to pay for SIRIN LABS’ products and services. The SRN token is represented on a number of exchange platforms.

Skycoin (SKY) is the native coin of the Skycoin Internet platform. You’ll be able to buy the coin on the project’s website, as well as to trade it against other cryptos on a number of exchanges.

SmartCash (SMART) is the coin of the SmartCash network listed on the number of exchanges. The coin can be mined.

SmartMesh (SMT) ERC-20 token is used as a means of payment within the SmartMesh ecosystem, as well as the reward coin to node contributors and users. It is listed on a few exchanges and trading against BTC, ETH and USDT.

Founded by former Qualcomm, Intel, and Dropbox engineers in late-2017, Solana is a single-chain, delegated-Proof-of-Stake protocol whose focus is on delivering scalability without sacrificing decentralization or security.

The SONM (SNM) project was released in 2017. Cryptocurrency pairs with the SNM token are represented on the number of exchanges. SONM  is currently based on cryptocurrency Ethereum protocol.

SophiaTX (SPHTX) is the cryptocurrency developed by the eponymous platform and marketplace established in 2017. Originally being an ERC20 token, SPHTX underwent a swap to its own mainnet released in mid-2018.