Wallet portfolio API: handle spam, dust and unpriced tokens honestly
Build a clearer wallet balance screen with separate buckets for priced, dust, unpriced and unrecognised tokens, using a tested decimal-based classifier.
Tag · defi
defi
5 posts on defi from the SiftingIO market data blog, spanning real-time and historical coverage across stocks, forex, crypto, commodities, and on-chain venues.
Posts tagged defi
DEX TVL alerts: detect a sustained drop without claiming a rug pull
Build a tested DEX pair TVL watcher with a fixed baseline, three-minute confirmation, timestamp checks and explicit handling of missing data.
DEX swap cost basis: why the daily index price is not the price you got
Crypto tax software prices DEX swaps with daily index averages that exclude DEX data. What Form 1099-DA changes for 2026, and why the swap record is stronger.
Streaming on-chain DEX swaps over WebSocket without reconnect bugs
Build a resilient WebSocket subscriber for the SiftingIO dex product: chain:PAIR symbols, the auth handshake, last-cached-then-live emits, and a 60s ping.
How to Get the Latest Price and Volume From a DEX Without the On-Chain Math
A DEX has no last-price field. Getting a usable price and volume means pool math, decimals, token ordering, and swap-log parsing behind an RPC node. Here is what that takes and the one-call alternative.