full image - Repost: Stablecoins and XRP: The secret sauce (from Reddit.com, Stablecoins and XRP: The secret sauce)
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So, I lurk on the r/XRP sub occasionally. Noticed that posts voicing concerns about RLUSD and stables often get treated as FUD posts and are either shot down by unhelpful moon-boy comments or removed by mods, which is an absolutely shitty thing to do. People have genuine concerns and GREAT questions that deserve real discussion.Apologies in advance, but I'm stepping up on my soapbox. This post is gonna be a bit beefy. Fuck TLDR. Read if you want or don't.The RLUSD/XRP AMM pool is gradually emerging as a primary bridge for the native XRPL DEX. Recently, you may have noticed more yield products popping up, some of those are actually contributing to the pool behind the scenes. Right now, total value locked (TVL) sits under $6M. This is too shallow for meaningful scale or low slippage on big trades. But scale it to $250M+ TVL, and it starts outperforming many OTC desks. The AMM offers atomic settlement in 4 seconds, microscopic fees, and no counterparty risk.Imagine this applied to other currencies, particularly the IMF SDR basket (USD, EUR, CNY, JPY, GBP) via their tokenized/CBDC versions. Pathfinding + auto-bridging does the magic: Swap USD to XRP in one deep pool then XRP to EUR (or whatever) in another.Ta-da!! Cross-border currency exchange, settled on-ledger in seconds. One-stop-shop. Fucking beautiful right?Global forex moves $9.6T daily (BIS 2025 data, this is actually almost 30% higher than in 2022). Capturing just 0.1% ($9.6B/day) through XRPL AMMs would demand hundreds of billions in total TVL (possibly trillions if prioritizing ultra-low slippage, but that might be a stretch). Most of that liquidity would come from the CBDC/stablecoin sides through banks/issuers depositing fiat equivalents. Even still, about 40-45% of the liquidity would be locked as XRP to provide the universal bridge asset.Why not skip XRP and just do direct CBDC-to-CBDC pools?Efficiency at scale. With only 4 major stables (no XRP bridge), you need 6 deep pools to cover all pairs (combinatorial expansion, at 5 currencies = 10 pools). You need more pools than currencies! That's tricky to coordinate and sustain on a single ledger. Whereas with XRP pools for each, you only need 4 pools and liquidity concentrates better instead of fragmenting. Auto-bridging routes through the deepest available liquidity (usually XRP-paired), delivering tighter spreads, less slippage, and better rates overall."But but but... Ripple could just mint tons of RLUSD, set up direct foreign-currency pools using USD as intermediary (like IRL forex), and sideline XRP."That approach simply falls short on-ledger and has it's own risks. As explained above, direct pools would start shallower and stay fragmented. This results in higher slippage/fees.IRL forex uses USD as bridge when unable to directly exchange a pair of currencies because it's distributed across thousands of banks with massive credit lines and T+1/T+2 settlement. In a crisis, banks struggle with liquidity squeezes and either have to sell assets or fall back on IMF SDRs (an accounting unit, not a spendable/tradable asset). That's where counter-party risk can make a bad situation worse.XRP is native, liquid, spendable instantly, and has protocol-level bridging. No need for correspondent chains or emergency reserves. It's a more attractive solutions than praying the worst never comes and relying on faith in SDR to bail them out.Ripple still has work to do (adoption, more CBDC integrations, etc.), but the AMM reward flywheel is powerful. Unexpected volume through an AMM spikes fees and auction activity, which would encourage Liquidity Providers (LPs) to rush in. TVL grows fast, slippage drops. The downside is that early traders eat slippage before depth arrives. That could be as much as 5-10% loss in extreme cases. Rather than bear the brunt of the slippage, institutions are more likely to seed the pool first (provide liquidity of their own), capture fees/yield to offset costs, then route volume. The protocol is literally designed exactly for that. It can either grow naturally, or be forced into effect for urgent situations. This mechanic works in the opposite way of course, an LP would leave an oversaturated pool for better yield elsewhere. This effectively maintains a balance between the liquidity and volume.Bonus note about Uniswap (I see your ass typing):Uniswap excels in crypto-native stablecoin swaps. It has billions in TVL plus a tight spread, so it might seem like they are ready to step into CBDC forex. However, it runs through Ethereum L2, is subject to variable gas fees, block-time delays the price synchronization with external markets, and it uses multi-hop routing through fragmented pools which add complexity and slippage (that sometimes automatically reverts the transaction). XRPL has deterministic 4 second settlement, fixed low fees, native auto-bridging through XRP to concentrate liquidity efficiency through fewer pools, and the auction mechanism does a better job at reducing slippage and impermanent loss during volatility. Uniswap is good enough for some cases, but XRPL's design is simply better aligned with what institutions would need in the forex market. Plus, XRPL can scale faster as an L1 solution than Uniswap, which is dependent on ETH's scattered L2. In short, I do not expect Uniswap and XRPL to overlap meaningfully.End of post. Sorry again. I admittedly glossed over quite a few nuances (impermanent loss, arbitrage, auction, LP tokens, particulars of SDR and forex dynamics, etc). Hopefully someone can still find sufficient value in my word vomit.I am a software engineer, not finance guy. I only started looking into this stuff a few months ago when I first bought XRP, so there are definitely people out there who are better versed and far more qualified to speak on XRPL's role in the forex market.
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