What Is XRP?

XRP is a cryptocurrency designed for fast, low-cost cross-border payments on the XRP Ledger. This post explains how the consensus mechanism works, where constraints live, and what would confirm or invalidate the payment settlement thesis.
Lewis Jackson
CEO and Founder

XRP gets positioned as two different things depending on who's explaining it—either as "the cryptocurrency that banks will use for payments" or as "centralized corporate crypto that's not really decentralized." Both frames miss the mechanism.

XRP is a cryptocurrency designed for fast, low-cost settlement on the XRP Ledger, a distributed network that uses a consensus protocol different from proof of work or proof of stake. Whether financial institutions adopt it for cross-border payments is a separate question from whether the mechanism works as described. The former is about adoption. The latter is about infrastructure.

How the XRP Ledger Works

The XRP Ledger is an open-source blockchain that uses a consensus mechanism called the Federated Byzantine Agreement (FBA), implemented through what Ripple calls the XRP Ledger Consensus Protocol. Instead of miners or stakers, the network relies on validators—nodes that collectively agree on the order and validity of transactions.

Here's the sequence: a user submits a transaction to the network. Validators receive it and include it in a proposed ledger version. Each validator maintains a Unique Node List (UNL)—a set of other validators it trusts not to collude. Validators exchange proposals and vote on which transactions should be included in the next ledger. If at least 80% of validators on a UNL agree, the ledger is considered valid and closed. Settlements finalize in 3-5 seconds.

XRP itself is the native token of the ledger. It's used to pay transaction fees (fractions of a cent, burned rather than redistributed) and as an optional bridge currency for converting between other assets. You don't need XRP to build on the XRP Ledger—it supports tokenization and custom assets—but you do need small amounts for transaction fees and anti-spam requirements (every account must hold a minimum reserve).

The total supply is fixed at 100 billion XRP. Ripple, the company that initially developed the ledger, holds a significant portion in escrow with controlled monthly releases. This structure creates ongoing debate about centralization—not at the protocol level, but at the supply distribution level.

Where Constraints Live

The XRP Ledger's consensus mechanism offers speed and low cost, but those benefits come with tradeoffs. Unlike proof of work, where anyone can become a miner, validators aren't compensated directly by the protocol. They run nodes for infrastructure purposes or because they're institutions invested in the network's success. This changes the incentive structure—you're relying on validators to operate because they benefit indirectly, not because the protocol pays them block rewards.

The Unique Node List system introduces trust assumptions. Validators choose which other validators they trust, and if enough validators coordinate (or fail simultaneously), the network's liveness or safety could be compromised. The protocol tolerates up to 20% Byzantine failures, but that assumes validators maintain diverse, well-distributed UNLs. If UNLs converge toward a small set of validators, centralization risk increases.

Ripple's holdings create economic centralization separate from protocol centralization. The company controls the release schedule through escrow, meaning XRP supply dynamics are partially under corporate governance rather than purely algorithmic. This doesn't mean Ripple can unilaterally change transaction history or censor payments—validators enforce the rules—but it does mean market supply is influenced by a single entity's decisions.

Regulatory classification remains unresolved in some jurisdictions. The SEC filed suit against Ripple in 2020 alleging XRP is an unregistered security. A 2023 ruling found programmatic sales on exchanges did not constitute securities offerings, but institutional sales did—creating legal ambiguity. Whether XRP is classified as a security or commodity affects its usage in regulated financial products.

What's Changing

Ripple continues building enterprise payment infrastructure, positioning XRP as a bridge asset for liquidity in cross-border settlements. Their On-Demand Liquidity (ODL) product, formerly RippleNet, uses XRP to settle payments between fiat currencies without requiring pre-funded nostro accounts. Adoption is limited but measurable—specific corridors like USD to PHP or MXN show transaction volume, though traditional correspondent banking still dominates.

The XRP Ledger introduced support for NFTs, sidechains, and a forthcoming amendment enabling smart contract functionality via the Hooks feature. These additions expand the ledger's use cases beyond payments, though developer activity remains lower than Ethereum or Solana ecosystems.

Validator decentralization has improved since the ledger's early years. The network currently operates ~150 validators globally, with UNL diversity increasing as more institutions run independent nodes. Ripple's recommended UNL now includes validators operated by exchanges, research institutions, and infrastructure providers beyond Ripple itself.

What Would Confirm the Payment Settlement Thesis

Confirmation would require measurable institutional adoption at scale. Watch for: major financial institutions using ODL for significant cross-border payment volume; traditional SWIFT corridors being replaced rather than supplemented; regulatory clarity across US, EU, and Asia treating XRP as a commodity or payment instrument; sustained XRP transaction volume growth driven by settlement demand, not speculation.

For decentralization, key signals include: declining concentration of XRP holdings among top addresses; continued validator growth with geographic diversity; UNL diversity maintained or increased across different validator operators; successful network operation during periods when Ripple infrastructure experiences downtime.

What Would Break or Invalidate It

Invalidation would come from: successful collusion among validators controlling >20% of commonly used UNLs, demonstrating the consensus mechanism is not sufficiently Byzantine fault tolerant; regulatory classification as a security in major markets forcing delisting from exchanges; banks and payment processors choosing alternative settlement mechanisms (CBDCs, stablecoins, or competing blockchain protocols) over XRP; Ripple's continued dominance preventing genuine supply decentralization, concentrating too much control in one entity; persistent failure to achieve meaningful cross-border payment volume outside of small corridors.

Smart contract exploits post-Hooks implementation could undermine confidence if security failures mirror issues seen on other chains. Technical failures causing prolonged network downtime would also damage trust in the settlement reliability thesis.

Timing Perspective

Now: XRP functions as described—fast settlement, low fees, operational network. Institutional payment adoption is limited to specific corridors. Regulatory clarity exists in some jurisdictions but not universally.

Next: Ripple's legal case resolutions (or new challenges) will determine US regulatory posture. Hooks feature enabling smart contracts will test developer interest and security robustness. More financial institutions may trial ODL, though scaling to meaningfully disrupt SWIFT remains years away.

Later: Long-term viability depends on whether cross-border payments actually move on-chain at scale, which involves coordination between banks, regulators, and payment processors—a multi-year process even if technically feasible. Whether XRP becomes the bridge asset or gets replaced by stablecoins/CBDCs is unresolved.

What This Is and Isn't

This explains how XRP and the XRP Ledger work. It doesn't constitute investment advice or a prediction about price performance. Whether Ripple succeeds in building enterprise payment infrastructure is separate from whether you should hold XRP.

The mechanism works as described—settlements are fast and cheap. Whether that translates into widespread adoption depends on factors outside protocol design: regulatory outcomes, institutional inertia, competitive alternatives, and Ripple's execution.

The system works. The question is whether the problem it solves matters to the institutions it targets—and whether those institutions actually switch. That's the thesis to track.

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