Blog
Handleidingen om software te verkopen en te beschermen
Online verkopen · 13 min leestijd
The best Gumroad alternatives in 2026: six platforms compared on fees, payouts and features
An honest comparison of six Gumroad alternatives: PapelShip, Lemon Squeezy, Payhip, Podia, SendOwl and Whop, on fees, payouts, crypto, licensing and stores.
16 oktober 2026
Online verkopen · 10 min leestijd
Fraud prevention for digital goods: stop card testing, chargebacks and abuse before delivery
Fraud prevention for digital goods, step by step: read invoice risk signals, stop card testing with product rules, win chargebacks and handle crypto's finality.
16 oktober 2026
Softwarelicenties · 8 min leestijd
A customer portal for software licenses: cut support tickets with self-service
Let buyers check license status, dates, remaining time and HWID info themselves, and request HWID resets without a ticket. How a customer portal cuts support load.
15 oktober 2026
Cryptobetalingen · 10 min leestijd
How to accept Bitcoin payments: a practical guide for online businesses
How to accept Bitcoin payments: wallet address vs BTCPay Server vs a hosted gateway, confirmations, network fees, volatility, refunds and accounting.
15 oktober 2026
Online verkopen · 12 min leestijd
The best Sellix alternatives in 2026: five platforms for digital goods with crypto checkout
Five Sellix alternatives for selling digital goods, game keys and software licenses with crypto checkout: PapelShip, Sell.app, SellAuth, Shoppy and Whop.
14 oktober 2026
Softwarebescherming · 9 min leestijd
How to detect leaked builds of your software and respond when one appears
How to detect leaked builds of your software, trace a shared copy back to a license with Binary Trace, and contain the leak with a clear response plan.
14 oktober 2026
Online verkopen · 9 min leestijd
Discord roles for digital products: give buyers access the moment they pay
Assign Discord roles for digital products automatically. Map roles to product variants, lock private channels and run paid memberships and communities safely.
13 oktober 2026
Online verkopen · 9 min leestijd
How to accept bank transfer and gift card payments in your online store
Accept bank transfer and gift card payments in your online store: when to offer them, how to set them up, how to match payments to orders and limit fraud.
12 oktober 2026
Softwarelicenties · 11 min leestijd
Software licensing models explained: perpetual, subscription, node-locked, floating and more
Compare commercial software licensing models, from perpetual and subscription to node-locked, floating, seat and usage-based, and how to enforce each one.
12 oktober 2026
Cryptobetalingen · 12 min leestijd
Custodial vs non-custodial crypto payment gateways: who holds your money
Custodial gateways hold your crypto; non-custodial ones pay your own wallet. Compare freezes, withdrawals, KYC, refunds, fees and how common gateways work.
11 oktober 2026
Softwarebescherming · 9 min leestijd
How to update your software protection remotely, without rebuilding
Change anti-tamper rules, blacklists, session limits and secrets from the dashboard, applied on the client's next check. How Remote Settings and Auto Rules work.
11 oktober 2026
Softwarelicenties · 10 min leestijd
Subscription licensing for software: perpetual, subscription and time-limited licenses compared
Compare perpetual, subscription and time-limited software licenses, choose billing cycles and trials, and enforce expiry on the server with fair renewals.
10 oktober 2026
Online verkopen · 11 min leestijd
Merchant of record vs payment processor: who is the seller, who owes the tax
What a merchant of record is, how it differs from a payment processor, and who handles VAT, chargebacks, fees and customer data in each, with a decision table.
9 oktober 2026
Online verkopen · 9 min leestijd
Sell in every language: a practical guide to store localization
A practical store localization guide: plan languages and fallbacks, translate with AI and review it, route visitors automatically and get currency right.
9 oktober 2026
Online verkopen · 10 min leestijd
How to sell digital products online: the complete guide to keys, files, subscriptions and memberships
How to sell digital products online: what to sell, choosing a store and theme, card and crypto payments, automatic delivery, pricing, support and fraud basics.
8 oktober 2026
Softwarelicenties · 11 min leestijd
Free trial licenses for desktop software: trials that convert without being abused
How to add a free trial to desktop software: trial types, why local timers get reset, server-side trial keys bound to HWID, and turning trials into sales.
7 oktober 2026
Softwarebescherming · 8 min leestijd
In-memory loading: how to protect DLLs without writing them to disk
Files on disk are easy to copy and inspect. How in-memory loading maps encrypted modules into a process without touching disk, its real limits, and how to pair it.
7 oktober 2026
Softwarelicenties · 10 min leestijd
License key formats: how to design secure, readable keys with keymask profiles
How to choose a license key format: entropy, readable groups, unambiguous characters and fixed prefixes, plus reusable keymask profiles in qPapel Auth.
6 oktober 2026
Online verkopen · 10 min leestijd
Build your store with PapelAI: an AI store builder that keeps you in control
Use an AI store builder without losing control: edit on the live page, let the PapelAI Copilot propose changes you approve, and keep code and history close.
5 oktober 2026
Cryptobetalingen · 10 min leestijd
What is a crypto POS system? How crypto checkout works, from invoice to confirmed order
A crypto POS system turns a blockchain transfer into an order you can track. Learn how it works, who holds the funds and which features matter when you choose.
4 oktober 2026
Cryptobetalingen · 9 min leestijd
Crypto payment processing explained: every stage from checkout to settlement
Follow one crypto payment from checkout to settlement: quotes, detection, confirmations, edge cases, custody and fees, and what a good processor automates.
3 oktober 2026
Cryptobetalingen · 9 min leestijd
How to accept USDT payments: TRC20, ERC20 and BEP20 explained for merchants
Learn how to accept USDT payments safely: how TRC20, ERC20 and BEP20 differ, how to prevent wrong-network payments, and how to automate delivery.
2 oktober 2026
Online verkopen · 9 min leestijd
How to add a checkout widget to your website: embedded checkout for card, crypto and bank transfer
Add a checkout widget to your website with one script tag. How embedded checkout works, how to set it up, which payment methods it takes and what happens next.
1 oktober 2026
Cryptobetalingen · 9 min leestijd
How to accept card and crypto payments in one checkout
Accept card and crypto payments in one checkout: which methods to offer, how they differ, how to design the payment step and keep every order in one place.
30 september 2026
Online verkopen · 9 min leestijd
How to sell software licenses online: store, checkout, automatic key delivery and HWID activation
Sell software licenses online end to end: choose a license model, set up a store and checkout, deliver keys automatically and activate them with HWID locking.
29 september 2026
Softwarelicenties · 8 min leestijd
What is HWID locking? Hardware-bound licenses for C++ and C# software
HWID locking ties a license key to one machine. How hardware fingerprints work, why the check must happen on the server, and how to handle resets fairly.
28 september 2026
Online verkopen · 9 min leestijd
How to run a software reseller program: subscription and pay-per-key models, debt limits and reseller panels
Run a software reseller program that scales: choose subscription or pay-per-key resellers, cap risk with debt limits and quotas, and keep every key traceable.
27 september 2026
Softwarelicenties · 9 min leestijd
How to migrate from KeyAuth to PapelShip: a practical playbook for C++ and C#
A step-by-step plan to migrate from KeyAuth to PapelShip: inventory, map features, move keys and users, swap the SDK, test and cut over without locking anyone out.
26 september 2026
Softwarelicenties · 10 min leestijd
C++ authentication for licensed software: how a secure licensing flow works
How secure C++ authentication works: key exchange, encrypted and signed traffic, server-side license and HWID checks, integrity checks and server-side data.
25 september 2026
Softwarelicenties · 10 min leestijd
C# software licensing without hard-coded secrets: keep keys out of your .NET assemblies
Hard-coded secrets in .NET assemblies are easy to extract. Learn how C# software licensing with server-side strings and files keeps them out of your build.
24 september 2026
Softwarebescherming · 9 min leestijd
Client-side protection vs server-side secrets: where software security really lives
What client-side protection can and can't do, why server-side strings, files and variables change the economics of cracking, and how to split the two.
23 september 2026
Softwarebescherming · 9 min leestijd
How qPAnalyzer detects renamed and custom reverse-engineering tools
How qPAnalyzer's AI-assisted reverse-engineering tool detection flags renamed and custom tools, keeps false positives low and gives you evidence to act on.
22 september 2026
Softwarebescherming · 9 min leestijd
Anti-reverse-engineering software: why static blacklists aren't enough
Why process and window blacklists only catch known tools, and what behavioural checks and AI-assisted detection add to anti-reverse-engineering software.
21 september 2026
Softwarelicenties · 9 min leestijd
Secure license key management for digital products: generate, deliver, pause and ban keys
A practical guide to secure license key management: generate keys on demand, deliver them on payment, pause, ban and inspect them, and handle leaked keys.
20 september 2026
Softwarebescherming · 9 min leestijd
A software protection stack for C++ and C# products, layer by layer
Build a software protection stack for C++ and C# products: licensing and HWID, integrity checks, anti-debug, blacklists, server-side data and qPAnalyzer.
19 september 2026
Softwarelicenties · 9 min leestijd
The best KeyAuth alternatives in 2026: five licensing platforms compared
A fair roundup of five KeyAuth alternatives for C++ and C# licensing: PapelShip, LicenseSeat, PWF Auth, Keygen and Cryptolens, with who each one suits.
18 september 2026
Cryptobetalingen · 9 min leestijd
Crypto POS API integration: checkout, in-store terminals and payouts
A developer's guide to crypto POS API integration: create invoices server-side, handle webhooks idempotently, take crypto in store and reconcile payouts.
17 september 2026