The recent (and premature) Istanbul fork on the Ethereum Ropsten testnet has caused a bit of mayhem and has resulted in two competing forks so far. The miner-led one (the longer non-Istanbul chain), and the developer-led one (the Istanbul chain).

Upvest is currently still on the longer non-Istanbul chain of Ropsten, so you will find that there will be some discrepancies if comparing blocks/transactions to those listed in other services (e.g. Etherscan) that have switched to follow the Istanbul chain. These changes include things like different block numbers, block transactions, confirmations, etc.

To be clear, none of this impacts the Ethereum mainnet yet, and we will monitor the Istanbul fork situation and provide any updates as necessary.