<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31328783</termId><termName>blockchain</termName><termType>PT</termType><termNote><![CDATA[ Blocks of data created in a distributed ledger technology that was originally designed for cryptocurrency, but now being used in a wider range of implemenations. ]]></termNote><termCreatedDate>2026-03-30 20:28:37</termCreatedDate><relation><relationType>UF</relationType><termId>31328784</termId><termName>block chain</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31328785</termId><termName>blockchains</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31309737</termId><termName>data</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31328786</termId><termName>non-fungible tokens</termName><termType>PT</termType></relation></term>  </Zthes>