Month: August 2025

U.S. Spot Ether ETFs Hit $1B Daily Inflow for First Time

by

U.S.-listed ether (ETH) exchange-traded funds (ETFs) surpassed $1 billion in daily inflows for the first time on Monday as the second-largest cryptocurrency hit its highest price for over three and a half years. The nine ETFs comfortably surpassed the previous daily high of $726.74 million from July 17, according to data tracked by SoSoValue. BlackRock’s … Read more

Is GPT-OSS Really Open? Inside OpenAI’s Most Transparent Model Yet

by

Has OpenAI Finally Embraced Transparency, or Is GPT-OSS Just Another Closed Box? OpenAI recently announced the release of GPT-OSS, a suite of open-weight language models that can run locally on consumer-grade hardware. While this marks a significant change from OpenAI’s historically closed approach to model access, the release has sparked debate about what “open” really … Read more

Watch Out for Potential Bitcoin Double Top as Bulls Fail to Break $122K Again

by

This is a daily analysis by CoinDesk analyst and Chartered Market Technician Omkar Godbole. The bitcoin (BTC) rally has stalled, raising the possibility of a potentially bearish technical formation: a double top. A close examination of the daily chart reveals that bulls failed to sustain a rally above the key Fibonacci level of $122,056 on … Read more

Why Safe T-Tests Outperform Classical Methods in Large-Scale Experiments

by

Table of Links Introduction Hypothesis testing 2.1 Introduction 2.2 Bayesian statistics 2.3 Test martingales 2.4 p-values 2.5 Optional Stopping and Peeking 2.6 Combining p-values and Optional Continuation 2.7 A/B testing Safe Tests 3.1 Introduction 3.2 Classical t-test 3.3 Safe t-test 3.4 χ2 -test 3.5 Safe Proportion Test Safe Testing Simulations 4.1 Introduction and 4.2 Python … Read more

What 162 Vinted A/B Tests Reveal About Your Conversion Metrics

by

Table of Links Introduction Hypothesis testing 2.1 Introduction 2.2 Bayesian statistics 2.3 Test martingales 2.4 p-values 2.5 Optional Stopping and Peeking 2.6 Combining p-values and Optional Continuation 2.7 A/B testing Safe Tests 3.1 Introduction 3.2 Classical t-test 3.3 Safe t-test 3.4 χ2 -test 3.5 Safe Proportion Test Safe Testing Simulations 4.1 Introduction and 4.2 Python … Read more

Bitcoin $115K Bets In Demand as Downside Fear Grips Market Ahead of U.S. CPI Report

by

Bitcoin (BTC) traders are seeking downside protection ahead of the U.S. inflation data, which is expected to show President Donald Trump’s trade tariffs are starting to affect consumer prices. The report, due at 12:30 UTC, is expected to show that the headline consumer price index (CPI) increased 2.8% year-on-year in July, up from a 2.7% … Read more

Personalized CX: The CRM and CDP Blueprint for Modern Enterprises

by

Based on my experience across the eCommerce, autonomous vehicle, and financial services domains, I have observed that customer experience (CX) maturity is no longer driven by marketing alone. It is the outcome of orchestrated, data-driven systems that integrate Customer Relationship Management (CRM) platforms, Customer Data Platforms (CDPs) and AI-native decision models. Enterprises that achieve the … Read more

What OCE Datasets Teach Us About Statistical Testing in A/B Experiments

by

Table of Links Introduction Hypothesis testing 2.1 Introduction 2.2 Bayesian statistics 2.3 Test martingales 2.4 p-values 2.5 Optional Stopping and Peeking 2.6 Combining p-values and Optional Continuation 2.7 A/B testing Safe Tests 3.1 Introduction 3.2 Classical t-test 3.3 Safe t-test 3.4 χ2 -test 3.5 Safe Proportion Test Safe Testing Simulations 4.1 Introduction and 4.2 Python … Read more