The switch from iDEAL to Wero shifts financial risks within the payments industry
The shift from iDEAL to Wero marks a significant milestone for the European payments industry. While Wero offers several advantages for the sector, it also brings a profound change to the payments chain: a transfer of financial risk to payment service providers and merchants, write Owen Strijland and Ellen Straus from Protiviti.
Wero is positioned as Europe’s response to the growing dominance of Mastercard and Visa. It also is presented as the successor to iDEAL, but functionally and legally it is not a one-to-one replacement.
The transition from iDEAL to Wero is often seen as a technical implementation question. In reality, Wero introduces a different economic and legal model that more closely resembles a card payment scheme – and the choice is essentially a risk decision.
Where iDEAL offered direct payments and predictable cash flows, Wero introduces uncertainty after the transaction. That requires explicit choices about risk acceptance, cash flow management and governance.
From iDEAL to Wero
The introduction of Wero is presented as the logical successor to iDEAL: more modern, European, future-proof, and an answer to the growing dominance of credit cards. For consumers it looks like a simple name change. For merchants and payment processors it is not.
The transition from iDEAL to Wero does not represent a technical upgrade, but a fundamental change in the distribution of risk within payment traffic.
With iDEAL, online payments carry virtually no credit risk. With Wero – where payments can be disputed afterwards – the share of revenue exposed to credit risk could rise to more than 50%. This change could have a major impact on markets and risk models.
What made iDEAL economically so strong
iDEAL was essentially an account-to-account push payment. What consumers experienced as an instant payment was, legally speaking, a confirmation that the amount had been reserved on their account. Based on that confirmation, the webshop knew the funds would be received. Delivery could take place immediately. Actual settlement typically followed the next business day via SEPA.
Crucial was what iDEAL did not have: no scheme chargebacks, no weeks-long dispute procedures, no liability discussions afterwards. A once-confirmed payment was in practice never reversed.

That certainty had economic value. Merchants had quick access to their funds, cash flows were predictable and credit risk was low. That made financing cheaper and rendered business models with low margins or high volumes viable. Sectors such as digital content, ticketing, e-commerce and instant delivery could automate extensively because payment and delivery ran virtually in sync.
iDEAL was no technological wonder, but economically exceptional in its efficiency.
Wero has a different model
With Wero, developed by the European Payments Initiative (EPI), Europe opts for a scheme-based model that more closely resembles card payments. Payments are subject to a formal dispute period and can be reversed via a chargeback mechanism.
That means revenue is no longer always final. Consumers gain broader options to contest transactions. That strengthens their protection but also introduces uncertainty for the receiving party. Chargebacks can occur weeks or months after the original payment.
That shift may appear subtle but is economically significant. For banks, predictable cash flow is among the core factors in credit assessment. When already booked revenue can subsequently disappear, cash flow becomes more volatile – and therefore riskier.
Risk shifts to the PSP and merchant
Within the Wero model, the ultimate financial risk in the chain rests with the acquiring PSP (Payment Service Provider). When a merchant cannot repay a chargeback, the payment service provider absorbs the loss.
That has logical consequences. Payment service providers will monitor credit risk more intensively and take mitigating measures. This may translate into stricter acceptance criteria, exclusion of certain sectors, higher fees or the holding of reserves.
In concrete terms, merchants may face delayed payouts (settlement delay), rolling reserves, threshold amounts before revenue is released, or additional security requirements. In the worst case, the merchant may even be refused by the payment service provider for Wero payments. Where iDEAL enabled fast and virtually unconditional availability of funds, Wero can lead to delayed or conditional cash flow.
Not every current iDEAL merchant will therefore automatically be able to accept Wero under the same conditions.
For businesses with high turnover velocity, low margins or direct delivery, this is not a minor detail but a structural change to their business model.
Implications for subscriptions and direct debits
A less visible but important difference concerns customer onboarding for subscriptions and automatic direct debits. Under iDEAL, an initial payment was often used as implicit validation of the name and IBAN combination. That confirmation gave merchants additional certainty before initiating a SEPA direct debit. This is no longer possible under Wero.
For sectors such as telecoms, energy, media and fintech, this means the onboarding process must be revised. Risks may shift from upfront to afterwards.
Higher costs are inevitable
More risk requires more capital and more operational handling. Chargeback processes demand customer support, documentation and legal settlement. That brings costs which are ultimately priced in – both for the payment service provider and for the merchant.

As with credit cards, it is logical that a portion of these costs will be passed on indirectly to consumers through higher rates or prices. Additional consumer protection has value, but it changes the economic equilibrium that characterized iDEAL.
Autonomy versus efficiency
The geopolitical ambition behind Wero is understandable. Europe wants to reduce its dependence on international card networks. Strategic autonomy in payment infrastructure is a legitimate policy objective.
The question, however, is how that autonomy relates to economic efficiency. With iDEAL, the payments world had an exceptionally stable and low-cost model. The move to a scheme-based system with more layers of liability and dispute procedures represents a different risk philosophy: less emphasis on upfront certainty, more on protection afterwards.
Pay by Bank
An alternative is now also emerging: account-to-account payments. Enabled under PSD2 legislation, these payments have no chargeback mechanism, can be executed through virtually all European banks, and offer characteristics that closely resemble the existing iDEAL model and its pricing structure.
The risks associated with this Pay by Bank method of payment are comparable to those of the familiar iDEAL transactions.
A debate that still needs to happen
iDEAL enabled direct delivery with minimal credit exposure. With Wero, a period emerges after the transaction during which the financial outcome remains uncertain. For large players, that uncertainty is often manageable. For SMEs, however, it can be decisive for their access to credit and working capital.
This transition therefore calls for a substantive discussion about proportionality and impact – before new risks become structurally priced into the market.
The transition from iDEAL to Wero also touches more than just the payment step. It forces choices about risk allocation, resilience and proportionality within the payment system.
About the authors: Owen Strijland is Managing Director at Protiviti. Ellen Straus is Manager at Protiviti.
