There is much discussion regarding which cryptocurrency is most appropriate for use as a payment method. What is your view on which cryptocurrency would be most fitting for this purpose and what are the reasons behind your choice?

When it comes to swiftness and fees, Litecoin is maintaining a strong position compared to Bitcoin. The total quantity of Litecoins surpasses that of Bitcoins by four times and there are also several million lost Bitcoins.

Currently, there are over 11,000 cryptocurrencies being used globally, with the majority utilizing blockchain technology. The blockchain serves as a secure platform to exchange virtual coins and tokens directly between users without intermediaries. Transactions are automatically added to the blockchain's register and shared without the need for third-party involvement.

One major issue with cryptocurrencies is their instability, experiencing significant fluctuations that can make them unreliable as a payment method. Stablecoins aim to offer a solution to this problem, tying their value to traditional currencies, typically the dollar.

There are three different types of stablecoins. The first type, cash-collateralized, has each coin backed by a unit of traditional money in a trusted bank account. The second type, backed by other cryptocurrencies, uses high-value cryptocurrencies as collateral for stablecoins, allowing the stablecoins to maintain their value without being tied to traditional currencies. The third type, algorithmic stablecoins, do not have any underlying collateral, instead relying on specific algorithms to regulate the number of coins in circulation to maintain their value relative to the selected monetary unit.

The primary example of cash-collateralized stablecoins is Tether, which is the third most traded coin globally. Dai is an example of a cryptocurrency backed by other cryptocurrencies, with two-fold Ethereum collateral used to calculate Dai's value, ensuring that it remains at one dollar. TerraUSD or UST is an example of an algorithmic stablecoin, with TerraLuna serving as the counterweight that enables the UST rate to remain equal to one dollar.

I can provide an analysis based on multiple factors which might influence the suitability of a cryptocurrency for daily transactions or as a significant payment method.

Bitcoin (BTC): Bitcoin, while the most well-known and with the highest market capitalization, suffers from scalability problems. Its current design potentially limits its viability as a day-to-day transactional currency. This is due to its block size limit and the time it takes to confirm a transaction, which can take anywhere from a few minutes to over an hour. However, developments like the Lightning Network aim to resolve these issues by enabling off-chain transactions, which can significantly increase transaction speed and lower fees.

Ethereum (ETH): While Ethereum is primarily a platform for decentralized apps, its native cryptocurrency, Ether, is also used for transactions. Similar to Bitcoin, Ethereum also faces scalability problems which have led to high transaction fees (also known as "gas fees"). But their shift from proof-of-work to proof-of-stake consensus mechanism (Ethereum 2.0) is expected to improve these issues significantly.

Litecoin (LTC): Designed as a "silver to Bitcoin's gold," Litecoin aims to resolve some of Bitcoin's shortcomings. It has a larger block size and faster block creation time, leading to faster transaction confirmation times and potentially lower fees, which could enhance its utility for routine transactions.

Bitcoin Cash (BCH): This was a hard fork from Bitcoin, designed specifically to address Bitcoin's scalability problems. It expanded the block size from 1MB to up to 32MB, enabling more transactions per block, and potentially making it a more suitable choice for day-to-day transactions. However, it doesn't have as much widespread acceptance as Bitcoin.

Stablecoins (like Tether USD, USD Coin): These are designed to be tied 1:1 with the value of a specific fiat currency, often USD. As a result, they can offer the advantages of cryptocurrency (fast, efficient transfer of value, especially across borders) without the volatility associated with many other cryptocurrencies.

Nano: Nano, previously known as Raiblocks, is designed for fast and fee-less transactions. It uses a novel approach, a block-lattice structure, which allows for high scalability and no transaction fees, potentially making it a good fit for day-to-day transactions.

Ripple (XRP): Ripple is more of a digital payment protocol than a cryptocurrency. Still, XRP, Ripple's native digital asset, can be used for transactions. Ripple's focus on fast, low-fee money transfers makes it a possible choice for everyday transactions, especially for international remittances.

Dash: Dash was specifically designed to be digital cash, focusing on delivering fast and private transactions. This emphasis could make it a more suitable choice for everyday transactions. Dash's InstantSend feature allows transactions to be confirmed almost instantly, which is a huge boon for use as a transactional currency.

Stellar Lumens (XLM): Stellar is designed to facilitate the transfer of digital currency to fiat money seamlessly. This design, along with relatively low transaction fees and respectable transfer speed, could make Stellar Lumens a decent choice for transactions.

Monero (XMR): Monero focuses primarily on privacy and security, so its transactions are significantly more difficult to trace than those made with many other cryptocurrencies. For those operating in jurisdictions that aren't friendly to cryptocurrency, or for users who emphasize privacy, Monero may be a valid choice for transactions.

Cardano (ADA): Cardano, like Ethereum, is a platform for deploying smart contracts but it also makes use of its native token ADA for transactions. Cardano aims to be scalable and efficient, making it a possible choice for transactions as the platform continues to grow and mature.

ZCash (ZEC): This cryptocurrency provides users with the ability to have completely private transactions if desired. While it's possible to have transparent transactions with ZCash, the option for privacy can be attractive. This, combined with the coin's robust security, makes it a potential option.

Tether (USDT): Unlike most other cryptocurrencies, Tether is a stablecoin, meaning it's backed by reserve assets (like the U.S. Dollar or gold) to maintain a stable value. Tether's value is pegged to the dollar on a 1-to-1 basis, making it valuable for users who want the advantages of cryptocurrency transactions without the volatility associated with most cryptos.

USD Coin (USDC): Like Tether, USD Coin is a stablecoin backed by the U.S. Dollar. It maintains nearly constant value and is becoming increasingly accepted across various platforms.

Tron (TRX): Tron's platform is designed to liberate content, allowing creators to gain ownership of their content. While its main focus isn't on transactions, it's speedy and scalable.

Polkadot (DOT): Polkadot simplifies cross-blockchain transfers of any type of data or asset. This can make transactions involving different blockchains much easier and put Polkadot into consideration.

Cosmos (ATOM): Cosmos, like Polkadot, enables interoperability between multiple blockchains, effectively solving the problem of siloed networks.

These are just some of many cryptocurrencies that can be used for transactions. Remember that the best one for you depends on your specific needs, the legal and practical considerations of your location, and what kind of support the business or individual receiving the funds offers for different cryptocurrencies. It's always important to do your research and consider seeking advice from a financial advisor before making a decision.