Author Archives: George Valentin Voina

#Bash one liner: Get a specific #DNS record entry line #LetsEncrypt

By | November 2, 2021

Another bash one liner that saved my sanity. While generating site wide certificates from LetsEncrypt you have to check if a certain TXT key was added to the DNS record (_acme-challenge). Here is the magic line that returns only that for my domain “voina.fr”. So when waiting to see if the DNS TXT record was… Read More »

Two e-mails that changed the world #linux #bitcoin #future

By | November 2, 2021

Sometimes world changing grandiose events have very humble beginnings and can be seen at their time as something of not importance. I love how Internet is able to “record” this birthday of world changing cascading events with simplicity and ease. This was never the case in history. We read in history books only post factum… Read More »

#Bitcoin #LightningLabs white paper and my financial advices #Bitstamp #Muun

By | August 24, 2021

This is my small contribution to the decentralized finance. Bitcoin is a future store of value. Bitcoin is not a traditional currency. Lightning Labs is a breath of fresh air for Bitcoin as a medium for exchange of value. I am a Bitstamp customer. Muun wallet very clean UX, simple, supports lightning protocol and interesting… Read More »

#ActiveMq #Artemis – Fix phantom messages issue

By | March 8, 2023

Sometimes we end up with phantom messages in ActiveMq or Artemis engines. This is usually the case when due to some network issue/ database issue and inconsistent commit was done. I have no idea if this is a bug of the engine or a known case that can happen because of external causes.   The… Read More »

Learn #banking, #fintech and #payments jargon: Money

By | August 11, 2021

Money Definition: Money is any object that is generally accepted as payment for goods and services and repayment of debts in a given context. Details: The main functions of money are distinguished as: a medium of exchange; a unit of account; a store of value; and, occasionally, a standard of deferred payment. Money evolved over… Read More »

#fintech #security Implement a simple #SCA algorithm for your #B2B #API implementation.

By | August 19, 2021

Strong Customer Authentication (SCA) is a new European regulatory requirement as part of the second Payment Services Directive (PSD2) for authenticating online payments and make them more secure. There are some actions such as funding a transfer from your balance or viewing the statement that require SCA within the UK and EEA. SCA builds additional… Read More »

#fintech #EBAday2021 #CBDC Do we really need Central Bank Currencies ?

By | August 5, 2021

At EBA Day 2021, biggest and most important European Banking Conference, the new buzz word from banking CBDC could not be missed. Lately there is lots of talk and also lots of state propaganda about this subject CBDC = Central Bank Digital Currencies. Lots of talk from “influencers” that are marginal in the banking world… Read More »

Learn #banking, #fintech and #payments jargon: Counterparty risk

By | August 1, 2021

Counterparty risk Definition: Counterparty risk is the risk of one or more parties in a financial transaction defaulting on or otherwise failing to meet their obligations on that trade. Details: Thre are several degrees of risk involved in financial transactions between financial institutions depending on the type of payment rail involved. In critical RTGS systems… Read More »

Learn #banking, #fintech and #payments jargon: Credit Limit Check

By | July 23, 2021

Credit Limit Check Definition: The process of verification if an account may be debited or credited in a settlement system. Details: If the amount to be debited in the payment message is equal or less than the balance on the sender’s correspondent account than the credit check limit passes. If the amount to be credited… Read More »

Learn #banking, #fintech and #payments jargon: Bulk Payment Instruction

By | July 23, 2021

Bulk Payment Instruction Definition: A set of payment orders delivered together for processing which may be destined for several receivers. Details: Bulk payment instructions are payment instructions delivered to the clearing and settlements system as bulk files and are processed together ordered after some criteria containing at least the same sender and receiver. Note that… Read More »