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Your Crypto Wallet Is Not Your Account: Understanding What the App Actually Controls
Azalea
Azalea
Azalea
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Sep 21
Your Crypto Wallet Is Not Your Account: Understanding What the App Actually Controls
#
cryptocurrency
#
fintech
#
blockchain
#
ai
6
 reactions
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1
 comment
3 min read
The retry that charged your customer twice
Zubair Khan
Zubair Khan
Zubair Khan
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Oct 2
The retry that charged your customer twice
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dotnet
#
csharp
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fintech
#
architecture
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5
 comments
4 min read
The Most Damaging Bug I Found This Month Wasn't in Code — It Was Between Two Documents
Justin Koo
Justin Koo
Justin Koo
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Sep 21
The Most Damaging Bug I Found This Month Wasn't in Code — It Was Between Two Documents
#
startup
#
documentation
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fintech
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crypto
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4 min read
Tink Alternatives in 2026: An Honest Developer's Comparison
John Frandsen
John Frandsen
John Frandsen
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Aug 29
Tink Alternatives in 2026: An Honest Developer's Comparison
#
openbanking
#
psd2
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fintech
#
api
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5 min read
A constant-time test needs a known leak it is required to find
polycratia
polycratia
polycratia
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Oct 1
A constant-time test needs a known leak it is required to find
#
python
#
fintech
#
crypto
#
architecture
5
 reactions
Comments
2
 comments
7 min read
Multi-carrier shipping rates are quotes, not prices
polycratia
polycratia
polycratia
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Aug 28
Multi-carrier shipping rates are quotes, not prices
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python
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fintech
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crypto
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architecture
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5 min read
Economic State Estimation Under Partial Observability: Reconstructing Financial Truth from Incomplete Evidence
Mayckon Giovani
Mayckon Giovani
Mayckon Giovani
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Sep 20
Economic State Estimation Under Partial Observability: Reconstructing Financial Truth from Incomplete Evidence
#
distributedsystems
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fintech
#
systemdesign
#
sre
1
 reaction
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18 min read
Fake Proof of Funds: Detecting Forged Brokerage Statement PDFs
Iurii Rogulia
Iurii Rogulia
Iurii Rogulia
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Sep 2
Fake Proof of Funds: Detecting Forged Brokerage Statement PDFs
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pdf
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fintech
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fraud
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webdev
1
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11 min read
Should This AI Agent Be Allowed to Pay? Designing the Approval Layer Between Agents and Company Money (Pink Agentic AI Payments)
Quinn
Quinn
Quinn
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Oct 1
Should This AI Agent Be Allowed to Pay? Designing the Approval Layer Between Agents and Company Money (Pink Agentic AI Payments)
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ai
#
agents
#
fintech
#
payments
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4
 comments
8 min read
Open Banking Python Library: What Actually Exists in 2026 (and What I Use Instead)
John Frandsen
John Frandsen
John Frandsen
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Aug 28
Open Banking Python Library: What Actually Exists in 2026 (and What I Use Instead)
#
python
#
openbanking
#
banking
#
fintech
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4 min read
6 Currency Mistakes Developers Make (and How to Avoid Them)
Bellal Hossain
Bellal Hossain
Bellal Hossain
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Oct 1
6 Currency Mistakes Developers Make (and How to Avoid Them)
#
javascript
#
python
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webdev
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fintech
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5 min read
Building a Volume Profile Indicator From Raw Market Data in C#
ICF Market LTD
ICF Market LTD
ICF Market LTD
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Sep 30
Building a Volume Profile Indicator From Raw Market Data in C#
#
algotrading
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csharp
#
performance
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fintech
1
 reaction
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2
 comments
8 min read
How We Keep an AI Agent's Payment Tied to an Accepted Offer
Brand Design Ltd.
Brand Design Ltd.
Brand Design Ltd.
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Sep 30
How We Keep an AI Agent's Payment Tied to an Accepted Offer
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architecture
#
security
#
fintech
#
ai
Comments
4
 comments
5 min read
ACH Return Code R01: Handling Insufficient Funds in Payout Systems
Payout Rail
Payout Rail
Payout Rail
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Aug 27
ACH Return Code R01: Handling Insufficient Funds in Payout Systems
#
backend
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fintech
#
software
#
softwareengineering
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3 min read
Settlement batches don't know about daylight saving time
Payneteasy
Payneteasy
Payneteasy
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Sep 30
Settlement batches don't know about daylight saving time
#
payments
#
fintech
#
backend
#
architecture
Comments
1
 comment
1 min read
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