{"id":204986,"date":"2026-07-27T14:40:38","date_gmt":"2026-07-27T14:40:38","guid":{"rendered":"https:\/\/mycryptomania.com\/?p=204986"},"modified":"2026-07-27T14:40:38","modified_gmt":"2026-07-27T14:40:38","slug":"under-the-hood-of-a-swap-what-actually-happens-between-send-and-received","status":"publish","type":"post","link":"https:\/\/mycryptomania.com\/?p=204986","title":{"rendered":"Under the Hood of a Swap: What Actually Happens Between \u201cSend\u201d and \u201cReceived\u201d"},"content":{"rendered":"

You send one coin and a different one comes back. The middle tends to be a shrug. This is that middle, opened up: the five steps you take, and the four things happening underneath while you wait. If your <\/em>SimpleSwap <\/em><\/a>review comes down to a single question\u200a\u2014\u200awhat actually happens to my funds between \u201csend\u201d and \u201creceived\u201d\u200a\u2014\u200ahere is the whole answer, with nothing left in the\u00a0box.<\/em><\/p>\n

A swap can feel like a vending machine you can\u2019t see inside. Money goes in one slot, something else drops out another, and you\u2019re asked to trust the wiring in between. In crypto specifically, that request should make you uncomfortable, because \u201ctrust the wiring\u201d is the exact habit self-custody was built to\u00a0retire.<\/p>\n

So instead of asking for that trust, we\u2019d rather spend this article earning it the boring way: by showing you the wiring. Here\u2019s a swap from both sides at once. Five steps on your side. Four layers on\u00a0ours.<\/p>\n

The five steps you\u00a0take<\/h3>\n

Step 1\u200a\u2014\u200aChoose the\u00a0pair<\/h4>\n

You pick the asset you\u2019re sending and the one you want back. Before you commit to anything, the interface returns an estimated rate, calculated against live liquidity right at that moment. This ordering is deliberate: you see the expected result first, so you decide with a number in front of you rather than after the\u00a0fact.<\/p>\n

Step 2\u200a\u2014\u200aPick the rate\u00a0type<\/h4>\n

Two options, and the tradeoff between them is stated plainly rather than buried in a settings\u00a0menu.<\/p>\n

A fixed rate<\/strong> locks the price for 20 minutes. You know exactly what you\u2019ll receive, whatever the market does while your transfer is being confirmed, as long as your deposit lands within the window. It carries a slightly wider spread, which is simply the price of that certainty.<\/p>\n

A floating rate<\/strong> follows the market to the moment of execution. It can land a little better if prices move your way, a little worse if they\u00a0don\u2019t.<\/p>\n

Neither hides anything from you. They\u2019re two honest answers to one question: do you want certainty, or a shot at a marginally better\u00a0number?<\/p>\n

Step 3\u200a\u2014\u200aEnter the receiving address<\/h4>\n

You provide the wallet to which the converted asset should be sent. If that asset exists on more than one network, you choose the correct one before entering the address. Transparency means being straight about the risk here too: send to the wrong network and the funds can be lost, and no service can undo it. The interface shows the required network clearly, but the final check is yours. That responsibility isn\u2019t a flaw in the design. It\u2019s the logic of self-custody, which removes the middleman in both directions at\u00a0once.<\/p>\n

Step 4\u200a\u2014\u200aSend the\u00a0deposit<\/h4>\n

We generate a unique deposit address for this one transaction, and you send your crypto to it from your own wallet. That\u2019s the last thing you do. It\u2019s also the moment the transfer becomes irreversible: once it\u2019s on-chain, it can\u2019t be recalled, which is precisely why every check worth doing happens before this step and none\u00a0after.<\/p>\n

Step 5\u200a\u2014\u200aReceive<\/h4>\n

Once your deposit reaches the required confirmations, the swap is routed through the best available path, executed against live liquidity, and the converted asset is sent to the address you gave. From where you\u2019re sitting, it felt like an ordinary wallet transfer. The difference from a black box is that every swap carries a unique order ID with real-time status, so if something slows down\u200a\u2014\u200anetwork congestion, a routing delay\u200a\u2014\u200ayou watch it happen instead of guessing. If it stalls, live chat is there around the\u00a0clock.<\/p>\n

What\u2019s happening underneath<\/h3>\n

\u201cAggregator\u201d is a tidy word for real machinery. The clearest way to picture it is four layers, running quietly in the seconds and minutes those five steps\u00a0take.<\/p>\n

First, liquidity sourcing<\/strong>. Rather than holding its own order book, the platform keeps live connections to a wide network of providers across both centralized and decentralized venues, each exposing its own live prices and available pairs. That\u2019s the raw material.<\/p>\n

Second, route selection<\/strong>. For your exact pair at a given size and network, the system works out which provider or combination offers the best executable route at that moment, splitting across sources where that helps. This is the layer that spares you from opening accounts on a handful of exchanges and comparing them by\u00a0hand.<\/p>\n

Third, execution<\/strong>. Once your deposit arrives, the swap travels the chosen route. Intermediate steps, like cross-chain conversions, are handled internally, so you see the input and the output, not every hop between them. This layer is also where the numbers that matter to a review live. On the majority of floating swaps, the amount you actually receive lands within 99.998% of the estimate you were shown, which on a larger check is the whole difference between predictable execution and a balance-sheet surprise. Speed is a function of the chains involved rather than the platform: fast networks like Solana or Polygon settle in under a minute, while Bitcoin and Ethereum typically take 10 to 30 minutes depending on congestion. And because liquidity is pooled from more than 20 providers rather than drawn from a single venue, price impact stays contained even on swaps worth hundreds of thousands.<\/p>\n

Fourth, confirmation and tracking<\/strong>. Each swap gets its order ID and a live status trail, so a delay at any layer surfaces in the open instead of vanishing into\u00a0silence.<\/p>\n

Read the two halves together, and the core design choice is clear: we don\u2019t run an order book, and we don\u2019t hold your balance between swaps. The model behaves less like an exchange you keep an account with and more like a broker for a single transaction. You supply the inputs, the result lands in your wallet, and the sourcing and routing happen across aggregated liquidity without you managing any of\u00a0it.<\/p>\n

\u201cA black box asks you to trust it. We would rather hand you something to check at every step: the quote before you commit, the order ID while it runs, the exact network before you send. A process you can watch is one you don\u2019t have to take on faith, and in self-custody that\u2019s the only kind worth building.\u201dStefan Lauer<\/em><\/strong><\/a>, Head of Infrastructure, <\/em><\/strong>SimpleSwap<\/em><\/strong><\/a><\/p>\n

Why we\u2019re showing you the\u00a0wiring<\/h3>\n

Everything above is really one argument: at each stage, there\u2019s something you can\u00a0verify.<\/p>\n

You see the estimate before you commit. You choose the certainty-versus-price tradeoff yourself, with both sides on the table. The fee isn\u2019t a separate surprise deduction; it\u2019s built into the quoted rate, so the number you\u2019re shown is the number you receive. And once funds move, the order ID gives you a window into a process you\u2019d otherwise just have to assume was\u00a0working.<\/p>\n

The honest limits belong to the same transparency, so here they are. Self-custody means there\u2019s no platform to reverse a mistake, so a wrong-network send is on you. A confirmed transfer can\u2019t be clawed back by anyone. And a swap aggregator is built for convenience, not for shaving the last basis point off a trade, so a high-frequency trader comparing spreads across five venues will find tighter numbers on a centralized exchange. None of that is hidden in the mechanics, because hiding it is exactly what would make the mechanics untrustworthy.<\/p>\n

If you want the long\u00a0version<\/h3>\n

This is the short, practical walk-through. We made the full-length argument why this kind of \u201cboring\u201d infrastructure is what actually earns trust in crypto\u2019s second decade, as a CryptoSlate special project<\/strong><\/a>. If the four layers above interest you more than they intimidate you, that\u2019s the deeper\u00a0read.<\/p>\n

No box, just\u00a0wiring<\/h3>\n

A swap that can\u2019t explain itself is asking for the trust self-custody was designed to remove. The point of walking through the five steps and the four layers isn\u2019t the walk-through; it\u2019s that every stage turns out to have a surface you can check\u200a\u2014\u200aa quote before you commit, a stated tradeoff, a bundled fee, a tracking window, and a set of limits named out loud. That\u2019s what a review should really be testing for, on any swap service, and it\u2019s a better test than any marketing line, including this\u00a0one.<\/p>\n

This article was written by SimpleSwap\u200a<\/a>\u2014\u200aa self-custodial multi-source swap aggregator. 2,800+ assets, 20+ liquidity providers across CEX and DEX sources, 20M+ swaps since 2018. Wallet-to-wallet by design, with routing handled under the\u00a0hood.<\/p>\n

This article is for educational purposes only and is not financial advice. A swap moves funds between wallets you control and, once confirmed on-chain, cannot be reversed. SimpleSwap\u2019s only official domain is simpleswap.io.<\/em><\/p>\n

Under the Hood of a Swap: What Actually Happens Between \u201cSend\u201d and \u201cReceived\u201d<\/a> was originally published in Coinmonks<\/a> on Medium, where people are continuing the conversation by highlighting and responding to this story.<\/p>","protected":false},"excerpt":{"rendered":"

You send one coin and a different one comes back. The middle tends to be a shrug. This is that middle, opened up: the five steps you take, and the four things happening underneath while you wait. If your SimpleSwap review comes down to a single question\u200a\u2014\u200awhat actually happens to my funds between \u201csend\u201d and […]<\/p>\n","protected":false},"author":0,"featured_media":204987,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-204986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-interesting"],"_links":{"self":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/posts\/204986"}],"collection":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=204986"}],"version-history":[{"count":0,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/posts\/204986\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/media\/204987"}],"wp:attachment":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=204986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=204986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=204986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}